Delete build files from git

.gitignore

@@ -20,7 +20,7 @@ DerivedData
 *.hmap
 *.ipa
 *.xcuserstate
-project.xcworkspace
+ios/.xcode.env.local
 
 # Android/IntelliJ
 #
@@ -29,25 +29,39 @@ build/
 .gradle
 local.properties
 *.iml
+*.hprof
+.cxx/
+*.keystore
+!debug.keystore
 
 # node.js
 #
 node_modules/
 npm-debug.log
 yarn-error.log
 
-# BUCK
-buck-out/
-\.buckd/
-*.keystore
-
 # fastlane
 #
 # 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://github.com/fastlane/fastlane/blob/master/fastlane/docs/Gitignore.md
+# https://docs.fastlane.tools/best-practices/source-control/
+
+**/fastlane/report.xml
+**/fastlane/Preview.html
+**/fastlane/screenshots
+**/fastlane/test_output
+
+# Bundle artifact
+*.jsbundle
+
+# Ruby / CocoaPods
+/ios/Pods/
+/vendor/bundle/
+
+# Temporary files created by Metro to check the health of the file watcher
+.metro-health-check*
+
+/dist
+!/dist/.gitkeep
 
-fastlane/report.xml
-fastlane/Preview.html
-fastlane/screenshots