chore: gitignore cleanup (#21)

packages/react-native/.gitignore

@@ -1,52 +0,0 @@
-# React Native specific ignores
-
-# Metro bundler
-.metro-health-check*
-
-# React Native Debugger
-react-native-debugger.log
-
-# Flipper
-Flipper/
-
-# Bundle artifacts
-*.jsbundle
-
-# Android specific
-android/app/build/
-android/app/src/main/assets/
-android/.gradle/
-android/build/
-android/gradle/
-android/gradlew*
-android/local.properties
-android/app/release/
-
-# iOS specific
-ios/build/
-ios/Pods/
-ios/*.xcworkspace
-ios/*.xcodeproj/xcuserdata/
-ios/*.xcodeproj/xcshareddata/
-ios/Podfile.lock
-ios/DerivedData/
-
-# CocoaPods
-Podfile.lock
-Pods/
-
-# Fastlane
-fastlane/report.xml
-fastlane/Preview.html
-fastlane/screenshots
-fastlane/test_output
-
-# Detox
-.detoxrc.json
-detox_tests/
-
-# react-native-codegen
-build/generated/
-
-# Ruby (for iOS development)
-vendor/bundle/