changes done in gitignore

.gitignore

@@ -1,15 +1,39 @@
+#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
-/local.properties
-/.idea/caches
-/.idea/libraries
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
-.DS_Store
-/build
-/captures
+build/
+.navigation
+captures/
+output.json
+
+#NDK
+obj/
 .externalNativeBuild
-.cxx
-local.properties
+
+
+