Setup project to work with the Unity Package Manager.

Assets/HSVPicker/Editor/HSVPicker.Editor.asmdef

@@ -0,0 +1,17 @@
+{
+    "name": "HSVPicker.Editor",
+    "references": [
+        "HSVPicker"
+    ],
+    "optionalUnityReferences": [],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": []
+}

Assets/HSVPicker/HSVPicker.asmdef

@@ -0,0 +1,3 @@
+{
+	"name": "HSVPicker"
+}

Assets/HSVPicker/package.json

@@ -0,0 +1,11 @@
+{
+    "name": "judah4.hsvcolorpickerunity",
+    "displayName": "HSVPicker",
+    "version": "2.2.1",
+    "unity": "2019.1",
+    "description": "HSV color picker for Unity UI",
+    "keywords": [
+    ],
+    "dependencies": {
+    }
+}

Makefile

@@ -0,0 +1,5 @@
+deploy:
+	git subtree push --prefix Assets/HSVPicker origin upm
+
+deploy-force:
+	git push origin `git subtree split --prefix Assets/HSVPicker master`:upm --force

README.md

@@ -11,6 +11,23 @@ Unity 2017
 Unity 5.6  
 2019 is default, 2018 can import the assets just fine.  2017 and Unity 5 versions are on older branches.
 
+## Install
+
+### UPM
+
+```json
+{
+  "dependencies": {
+    "judah4.hsvcolorpickerunity": "https://github.com/judah4/HSV-Color-Picker-Unity.git#upm",
+    ...
+  }
+}
+```
+
+### Unity Package
+
+<https://github.com/judah4/HSV-Color-Picker-Unity/releases>
+
 ![alt tag](https://i.imgur.com/Fn2T6Nu.png)
 Should be really easy to use. Just add the prefab to the canvas, hook up an event, and it's good to go.
 ```csharp