diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index 2e754d5..0ed102b 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -18,31 +18,34 @@
     "default": {
         "asgiref": {
             "hashes": [
-                "sha256:7e06d934a7718bf3975acbf87780ba678957b87c7adc056f13b6215d610695a0",
-                "sha256:ea448f92fc35a0ef4b1508f53a04c4670255a3f33d22a81c8fc9c872036adbe5"
+                "sha256:2f8abc20f7248433085eda803936d98992f1343ddb022065779f37c5da0181d0",
+                "sha256:88d59c13d634dcffe0510be048210188edd79aeccb6a6c9028cdad6f31d730a9"
             ],
-            "version": "==3.2.3"
+            "markers": "python_version >= '3.7'",
+            "version": "==3.5.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
-                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
+                "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872",
+                "sha256:d62a0163eb4c2344ac042ab2bdf75399a71a2d8c7d47eac2e2ee91b9d6339569"
             ],
-            "version": "==2019.11.28"
+            "version": "==2021.10.8"
         },
-        "chardet": {
+        "charset-normalizer": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:2857e29ff0d34db842cd7ca3230549d1a697f96ee6d3fb071cfa6c7393832597",
+                "sha256:6881edbebdb17b39b4eaaa821b438bf6eddffb4468cf344f09f89def34a8b1df"
             ],
-            "version": "==3.0.4"
+            "markers": "python_version >= '3'",
+            "version": "==2.0.12"
         },
         "defusedxml": {
             "hashes": [
-                "sha256:6687150770438374ab581bb7a1b327a847dd9c5749e396102de3fad4e8a3ef93",
-                "sha256:f684034d135af4c6cbb949b8a4d2ed61634515257a67299e5f940fbaa34377f5"
+                "sha256:1bb3032db185915b62d7c6209c5a8792be6a32ab2fedacc84e01b52c51aa3e69",
+                "sha256:a352e7e428770286cc899e2542b6cdaedb2b4953ff269a210103ec58f6198a61"
             ],
-            "version": "==0.6.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==0.7.1"
         },
         "django": {
             "hashes": [
@@ -68,101 +71,122 @@
         },
         "djangorestframework": {
             "hashes": [
-                "sha256:05809fc66e1c997fd9a32ea5730d9f4ba28b109b9da71fccfa5ff241201fd0a4",
-                "sha256:e782087823c47a26826ee5b6fa0c542968219263fb3976ec3c31edab23a4001f"
+                "sha256:0c33407ce23acc68eca2a6e46424b008c9c02eceb8cf18581921d0092bc1f2ee",
+                "sha256:24c4bf58ed7e85d1fe4ba250ab2da926d263cd57d64b03e8dcef0ac683f8b1aa"
             ],
-            "version": "==3.11.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==3.13.1"
         },
         "idna": {
             "hashes": [
-                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
-                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
+                "sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff",
+                "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"
             ],
-            "version": "==2.8"
+            "markers": "python_version >= '3'",
+            "version": "==3.3"
         },
         "oauthlib": {
             "hashes": [
-                "sha256:bee41cc35fcca6e988463cacc3bcb8a96224f470ca547e697b604cc697b2f889",
-                "sha256:df884cd6cbe20e32633f1db1072e9356f53638e4361bef4e8b03c9127c9328ea"
+                "sha256:23a8208d75b902797ea29fd31fa80a15ed9dc2c6c16fe73f5d346f83f6fa27a2",
+                "sha256:6db33440354787f9b7f3a6dbd4febf5d0f93758354060e802f6c06cb493022fe"
             ],
-            "version": "==3.1.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==3.2.0"
         },
         "pillow": {
             "hashes": [
-                "sha256:0a628977ac2e01ca96aaae247ec2bd38e729631ddf2221b4b715446fd45505be",
-                "sha256:4d9ed9a64095e031435af120d3c910148067087541131e82b3e8db302f4c8946",
-                "sha256:54ebae163e8412aff0b9df1e88adab65788f5f5b58e625dc5c7f51eaf14a6837",
-                "sha256:5bfef0b1cdde9f33881c913af14e43db69815c7e8df429ceda4c70a5e529210f",
-                "sha256:5f3546ceb08089cedb9e8ff7e3f6a7042bb5b37c2a95d392fb027c3e53a2da00",
-                "sha256:5f7ae9126d16194f114435ebb79cc536b5682002a4fa57fa7bb2cbcde65f2f4d",
-                "sha256:62a889aeb0a79e50ecf5af272e9e3c164148f4bd9636cc6bcfa182a52c8b0533",
-                "sha256:7406f5a9b2fd966e79e6abdaf700585a4522e98d6559ce37fc52e5c955fade0a",
-                "sha256:8453f914f4e5a3d828281a6628cf517832abfa13ff50679a4848926dac7c0358",
-                "sha256:87269cc6ce1e3dee11f23fa515e4249ae678dbbe2704598a51cee76c52e19cda",
-                "sha256:875358310ed7abd5320f21dd97351d62de4929b0426cdb1eaa904b64ac36b435",
-                "sha256:8ac6ce7ff3892e5deaab7abaec763538ffd011f74dc1801d93d3c5fc541feee2",
-                "sha256:91b710e3353aea6fc758cdb7136d9bbdcb26b53cefe43e2cba953ac3ee1d3313",
-                "sha256:9d2ba4ed13af381233e2d810ff3bab84ef9f18430a9b336ab69eaf3cd24299ff",
-                "sha256:a62ec5e13e227399be73303ff301f2865bf68657d15ea50b038d25fc41097317",
-                "sha256:ab76e5580b0ed647a8d8d2d2daee170e8e9f8aad225ede314f684e297e3643c2",
-                "sha256:bf4003aa538af3f4205c5fac56eacaa67a6dd81e454ffd9e9f055fff9f1bc614",
-                "sha256:bf598d2e37cf8edb1a2f26ed3fb255191f5232badea4003c16301cb94ac5bdd0",
-                "sha256:c18f70dc27cc5d236f10e7834236aff60aadc71346a5bc1f4f83a4b3abee6386",
-                "sha256:c5ed816632204a2fc9486d784d8e0d0ae754347aba99c811458d69fcdfd2a2f9",
-                "sha256:dc058b7833184970d1248135b8b0ab702e6daa833be14035179f2acb78ff5636",
-                "sha256:ff3797f2f16bf9d17d53257612da84dd0758db33935777149b3334c01ff68865"
+                "sha256:011233e0c42a4a7836498e98c1acf5e744c96a67dd5032a6f666cc1fb97eab97",
+                "sha256:0f29d831e2151e0b7b39981756d201f7108d3d215896212ffe2e992d06bfe049",
+                "sha256:12875d118f21cf35604176872447cdb57b07126750a33748bac15e77f90f1f9c",
+                "sha256:14d4b1341ac07ae07eb2cc682f459bec932a380c3b122f5540432d8977e64eae",
+                "sha256:1c3c33ac69cf059bbb9d1a71eeaba76781b450bc307e2291f8a4764d779a6b28",
+                "sha256:1d19397351f73a88904ad1aee421e800fe4bbcd1aeee6435fb62d0a05ccd1030",
+                "sha256:253e8a302a96df6927310a9d44e6103055e8fb96a6822f8b7f514bb7ef77de56",
+                "sha256:2632d0f846b7c7600edf53c48f8f9f1e13e62f66a6dbc15191029d950bfed976",
+                "sha256:335ace1a22325395c4ea88e00ba3dc89ca029bd66bd5a3c382d53e44f0ccd77e",
+                "sha256:413ce0bbf9fc6278b2d63309dfeefe452835e1c78398efb431bab0672fe9274e",
+                "sha256:5100b45a4638e3c00e4d2320d3193bdabb2d75e79793af7c3eb139e4f569f16f",
+                "sha256:514ceac913076feefbeaf89771fd6febde78b0c4c1b23aaeab082c41c694e81b",
+                "sha256:528a2a692c65dd5cafc130de286030af251d2ee0483a5bf50c9348aefe834e8a",
+                "sha256:6295f6763749b89c994fcb6d8a7f7ce03c3992e695f89f00b741b4580b199b7e",
+                "sha256:6c8bc8238a7dfdaf7a75f5ec5a663f4173f8c367e5a39f87e720495e1eed75fa",
+                "sha256:718856856ba31f14f13ba885ff13874be7fefc53984d2832458f12c38205f7f7",
+                "sha256:7f7609a718b177bf171ac93cea9fd2ddc0e03e84d8fa4e887bdfc39671d46b00",
+                "sha256:80ca33961ced9c63358056bd08403ff866512038883e74f3a4bf88ad3eb66838",
+                "sha256:80fe64a6deb6fcfdf7b8386f2cf216d329be6f2781f7d90304351811fb591360",
+                "sha256:81c4b81611e3a3cb30e59b0cf05b888c675f97e3adb2c8672c3154047980726b",
+                "sha256:855c583f268edde09474b081e3ddcd5cf3b20c12f26e0d434e1386cc5d318e7a",
+                "sha256:9bfdb82cdfeccec50aad441afc332faf8606dfa5e8efd18a6692b5d6e79f00fd",
+                "sha256:a5d24e1d674dd9d72c66ad3ea9131322819ff86250b30dc5821cbafcfa0b96b4",
+                "sha256:a9f44cd7e162ac6191491d7249cceb02b8116b0f7e847ee33f739d7cb1ea1f70",
+                "sha256:b5b3f092fe345c03bca1e0b687dfbb39364b21ebb8ba90e3fa707374b7915204",
+                "sha256:b9618823bd237c0d2575283f2939655f54d51b4527ec3972907a927acbcc5bfc",
+                "sha256:cef9c85ccbe9bee00909758936ea841ef12035296c748aaceee535969e27d31b",
+                "sha256:d21237d0cd37acded35154e29aec853e945950321dd2ffd1a7d86fe686814669",
+                "sha256:d3c5c79ab7dfce6d88f1ba639b77e77a17ea33a01b07b99840d6ed08031cb2a7",
+                "sha256:d9d7942b624b04b895cb95af03a23407f17646815495ce4547f0e60e0b06f58e",
+                "sha256:db6d9fac65bd08cea7f3540b899977c6dee9edad959fa4eaf305940d9cbd861c",
+                "sha256:ede5af4a2702444a832a800b8eb7f0a7a1c0eed55b644642e049c98d589e5092",
+                "sha256:effb7749713d5317478bb3acb3f81d9d7c7f86726d41c1facca068a04cf5bb4c",
+                "sha256:f154d173286a5d1863637a7dcd8c3437bb557520b01bddb0be0258dcb72696b5",
+                "sha256:f25ed6e28ddf50de7e7ea99d7a976d6a9c415f03adcaac9c41ff6ff41b6d86ac"
             ],
             "index": "pypi",
-            "version": "==7.0.0"
+            "version": "==9.0.1"
         },
         "python3-openid": {
             "hashes": [
-                "sha256:0086da6b6ef3161cfe50fb1ee5cceaf2cda1700019fda03c2c5c440ca6abe4fa",
-                "sha256:628d365d687e12da12d02c6691170f4451db28d6d68d050007e4a40065868502"
+                "sha256:33fbf6928f401e0b790151ed2b5290b02545e8775f982485205a066f874aaeaf",
+                "sha256:6626f771e0417486701e0b4daff762e7212e820ca5b29fcc0d05f6f8736dfa6b"
             ],
-            "version": "==3.1.0"
+            "version": "==3.2.0"
         },
         "pytz": {
             "hashes": [
-                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
-                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
+                "sha256:3672058bc3453457b622aab7a1c3bfd5ab0bdae451512f6cf25f64ed37f5b87c",
+                "sha256:acad2d8b20a1af07d4e4c9d2e9285c5ed9104354062f275f3fcd88dcef4f1326"
             ],
-            "version": "==2019.3"
+            "version": "==2021.3"
         },
         "requests": {
             "hashes": [
-                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
-                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
+                "sha256:68d7c56fd5a8999887728ef304a6d12edc7be74f1cfa47714fc8b414525c9a61",
+                "sha256:f22fa1e554c9ddfd16e6e41ac79759e17be9e492b3587efa038054674760e72d"
             ],
-            "version": "==2.22.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
+            "version": "==2.27.1"
         },
         "requests-oauthlib": {
             "hashes": [
-                "sha256:7f71572defaecd16372f9006f33c2ec8c077c3cfa6f5911a9a90202beb513f3d",
-                "sha256:b4261601a71fd721a8bd6d7aa1cc1d6a8a93b4a9f5e96626f8e4d91e8beeaa6a"
+                "sha256:2577c501a2fb8d05a304c09d090d6e47c306fef15809d102b327cf8364bddab5",
+                "sha256:75beac4a47881eeb94d5ea5d6ad31ef88856affe2332b9aafb52c6452ccf0d7a"
             ],
-            "version": "==1.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.3.1"
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.14.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
-                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
+                "sha256:0c00730c74263a94e5a9919ade150dfc3b19c574389985446148402998287dae",
+                "sha256:48719e356bb8b42991bdbb1e8b83223757b93789c00910a616a071910ca4a64d"
             ],
-            "version": "==0.3.0"
+            "markers": "python_version >= '3.5'",
+            "version": "==0.4.2"
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
-                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
+                "sha256:000ca7f471a233c2251c6c7023ee85305721bfdf18621ebff4fd17a8653427ed",
+                "sha256:0e7c33d9a63e7ddfcb86780aac87befc2fbddf46c58dbb487e0855f7ceec283c"
             ],
-            "version": "==1.25.8"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
+            "version": "==1.26.8"
         }
     },
     "develop": {
@@ -171,21 +195,15 @@
                 "sha256:71ea07f44df9568a75d0f354c49143a4575d90645e9fead6dfb52c26a85ed13a",
                 "sha256:840947ebfa8b58f318d42301cf8c0a20fd794a33b61cc4638e28e9e61ba32f42"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==2.3.3"
         },
-        "colorama": {
-            "hashes": [
-                "sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff",
-                "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"
-            ],
-            "markers": "sys_platform == 'win32'",
-            "version": "==0.4.3"
-        },
         "isort": {
             "hashes": [
                 "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
                 "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==4.3.21"
         },
         "lazy-object-proxy": {
@@ -212,6 +230,7 @@
                 "sha256:efa1909120ce98bbb3777e8b6f92237f5d5c8ea6758efea36a473e1d38f7d3e4",
                 "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.4.3"
         },
         "mccabe": {
@@ -231,10 +250,11 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.14.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
         },
         "wrapt": {
             "hashes": [