Add .gitignore

.gitignore

@@ -0,0 +1,59 @@
+#built application files
+*.apk
+*.ap_
+
+# files for the dex VM
+*.dex
+
+# Java class files
+*.class
+
+# generated files
+bin/
+gen/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Windows thumbnail db
+Thumbs.db
+
+# OSX files
+.DS_Store
+
+# Android Studio
+*.iml
+.idea
+#.idea/workspace.xml - remove # and delete .idea if it better suit your needs.
+.gradle
+build/
+.navigation
+captures/
+output.json 
+
+#NDK
+obj/
+.externalNativeBuild
+Since Android Studio 2.2 and up to 3.0, new projects are created with this gitignore file:
+
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+Deprecated - for older project format, add this section to your gitignore file:
+
+
+/*/out
+/*/*/build
+/*/*/production
+*.iws
+*.ipr
+*~
+*.swp
+
+Settings.java