update .gitignore

.gitignore

@@ -1,6 +1,5 @@
 # Built application files
 *.apk
-*.aar
 *.ap_
 *.aab
 
@@ -14,8 +13,7 @@
 bin/
 gen/
 out/
-#  Uncomment the following line in case you need and you don't have the release build type files in your app
-# release/
+.CXX/
 
 # Gradle files
 .gradle/
@@ -38,17 +36,7 @@ captures/
 
 # IntelliJ
 *.iml
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/gradle.xml
-.idea/assetWizardSettings.xml
-.idea/dictionaries
-.idea/libraries
-# Android Studio 3 in .gitignore file.
-.idea/caches
-.idea/modules.xml
-# Comment next line if keeping position of elements in Navigation Editor is relevant for you
-.idea/navEditor.xml
+.idea/
 
 # Keystore files
 # Uncomment the following lines if you do not want to check your keystore files in.
@@ -57,7 +45,6 @@ captures/
 
 # External native build folder generated in Android Studio 2.2 and later
 .externalNativeBuild
-.cxx/
 
 # Google Services (e.g. APIs or Firebase)
 # google-services.json
@@ -83,3 +70,17 @@ lint/generated/
 lint/outputs/
 lint/tmp/
 # lint/reports/
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# others
+ant.properties
+build.xml
+map.txt