Update .gitignore

.gitignore

@@ -1,40 +1,70 @@
-# built application files
+### Android ###
+# Built application files
 *.apk
 *.ap_
 
-# files for the dex VM
+# Files for the ART/Dalvik VM
 *.dex
 
 # Java class files
 *.class
 
-# generated files
+# Generated files
 bin/
 gen/
-target/
+out/
 
-# external libraries
-#libs/
-
-# gradle files
+# Gradle files
 .gradle/
 build/
 
 # Local configuration file (sdk path, etc)
 local.properties
-.gitattributes
 
-# Eclipse project files
-.classpath
-.project
+# Proguard folder generated by Eclipse
+proguard/
 
-# Android Studio
-*.iml
-.idea
-ajcore.*.txt
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
 captures/
 
-# Mac
-.DS_Store
+# Intellij
+*.iml
+.idea/
 
-app/release/
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+### Android Patch ###
+gen-external-apklibs
+
+### fastlane ###
+# fastlane - A streamlined workflow tool for Cocoa deployment
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/#source-control
+
+# fastlane specific
+fastlane/report.xml
+
+# deliver temporary files
+fastlane/Preview.html
+
+# snapshot generated screenshots
+fastlane/screenshots/**/*.png
+fastlane/screenshots/screenshots.html
+
+# scan temporary files
+fastlane/test_output