Clean build artifacts from apps

Author: m-bert

apps/BasicExample/package.json

@@ -11,7 +11,9 @@
     "ts-check": "yarn tsc --noEmit",
     "lint-js": "eslint --ext '.js,.ts,.tsx' src/ && yarn prettier --check './src/**/*.{js,jsx,ts,tsx}'",
     "format-js": "prettier --write --list-different './src/**/*.{js,jsx,ts,tsx}'",
-    "clean": "rm -rf node_modules && cd ios && rm -rf Pods Podfile.lock",
+    "clean-android": "rm -rf android/.gradle android/.kotlin android/build",
+    "clean-ios": "rm -rf ios/build ios/Pods ios/Podfile.lock",
+    "clean": "rm -rf node_modules && yarn clean-android && yarn clean-ios",
     "pods": "cd ios && bundle install && bundle exec pod install"
   },
   "dependencies": {

apps/MacOSExample/package.json

@@ -8,7 +8,7 @@
     "lint": "eslint .",
     "start": "react-native start",
     "test": "jest",
-    "clean": "rm -rf node_modules && cd macos && rm -rf Pods Podfile.lock",
+    "clean": "rm -rf node_modules && cd macos && rm -rf build Pods Podfile.lock",
     "pods": "cd macos && bundle install && bundle exec pod install"
   },
   "dependencies": {