add build action

.github/workflows/build.yml

@@ -0,0 +1,64 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - master
+      - feature/new-ui
+      - feature/mono-repo
+  release:
+    types:
+      - created
+
+jobs:
+  build_and_deploy_ios:
+    runs-on: [macos-latest]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install RubyGems
+        run: |
+          cd packages/flutter_widgets/example/ios
+          bundle install
+      - uses: subosito/[email protected]
+        with:
+          channel: 'stable'
+      - name: Install firebase-tools
+        run: npm install -g firebase-tools
+      - name: Flutter setup
+        run: |
+          cd packages/flutter_widgets/example
+          flutter pub get
+      - name: Build and release
+        env:
+          MATCH_PASSWORD: ${{ secrets.MATCH_PASSWORD }}
+          MATCH_GIT_BASIC_AUTHORIZATION: ${{ secrets.MATCH_GIT_BASIC_AUTHORIZATION }}
+          FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
+        run: |
+          cd packages/flutter_widgets/example
+          flutter build ios --release --no-codesign
+          cd ios
+          bundle exec fastlane deploy_to_firebase
+  build_and_deploy_android:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '12.x'
+      - uses: subosito/[email protected]
+        with:
+          channel: 'stable'
+      - run: |
+          cd packages/flutter_widgets/example
+          flutter pub get
+      - name: Build
+        run: |
+          cd packages/flutter_widgets/example
+          flutter build apk
+      - name: Deploy
+        uses: wzieba/[email protected]
+        with:
+          appId: ${{secrets.FIREBASE_ANDROID_APPID}}
+          token: ${{secrets.FIREBASE_TOKEN}}
+          groups: stream-testers
+          file: example/build/app/outputs/apk/release/app-release.apk