CI: Add deploy android fastlane job

.github/workflows/main_deploy.yaml

@@ -8,6 +8,9 @@ on:
 env:
   FLUTTER_VERSION: ${{ secrets.FLUTTER_VERSION }}
   JAVA_VERSION: ${{ secrets.JAVA_VERSION }}
+  FDROID_KEY: ${{ secrets.FDROID_KEY }}
+  FDROID_KEY_PASS: ${{ secrets.FDROID_KEY_PASS }}
+  PLAYSTORE_DEPLOY_KEY: ${{ secrets.PLAYSTORE_DEPLOY_KEY }}
 
 jobs:
   deploy_web:
@@ -39,3 +42,48 @@ jobs:
           personal_token: ${{ secrets.PAGES_DEPLOY_TOKEN }}
           publish_dir: ./public
           publish_branch: gh-pages
+
+  deploy_playstore_internal:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v1
+        with:
+          java-version: ${{ env.JAVA_VERSION }}
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+      - name: Install Fastlane
+        run: gem install fastlane -NV
+      - name: Apply Google Services Patch
+        run: git apply ./scripts/enable-android-google-services.patch
+      - run: flutter pub get
+      - name: Prepare Android Release Build
+        run: |
+          cd android
+          echo $FDROID_KEY | base64 --decode --ignore-garbage > key.jks
+          echo "storePassword=${FDROID_KEY_PASS}" >> key.properties
+          echo "keyPassword=${FDROID_KEY_PASS}" >> key.properties
+          echo "keyAlias=key" >> key.properties
+          echo "storeFile=../key.jks" >> key.properties
+          echo $PLAYSTORE_DEPLOY_KEY >> keys.json
+          ls | grep key
+          bundle install
+          bundle update fastlane
+          bundle exec fastlane set_build_code_internal
+          cd ..
+      - name: Build Android Release
+        run: flutter build appbundle --target-platform android-arm,android-arm64,android-x64
+      - name: Deploy Android Release
+        run: |
+          mkdir -p build/android
+          cp build/app/outputs/bundle/release/app-release.aab build/android/
+          cd android
+          bundle install
+          bundle update fastlane
+          bundle exec fastlane deploy_internal_test
+          cd ..