added workflow to distribute android app

.github/workflows/app_distribution_android.yaml

@@ -0,0 +1,48 @@
+name: Build & upload to Firebase Android App Distribution 
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:   
+  build: 
+    runs-on: ubuntu-latest  
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+      - uses: subosito/flutter-action@v1
+        with:
+          channel: 'stable'
+
+      - run: flutter doctor
+
+      - run: dart pub global activate flutterfire_cli
+
+      - name: "Melos Install"
+        run: dart pub global activate melos
+
+      - name: "Melos bs"
+        run: melos bootstrap
+
+      - name: "Build apk"
+        run: melos build-apk
+
+      - name: "Build appbundle"
+        run: melos build-appbundle
+
+      - run: ls app/build/app/outputs/flutter-apk
+
+      - name: Upload artifact to Firebase App Distribution
+        uses: wzieba/Firebase-Distribution-Github-Action@v1
+        with:
+          appId: ${{secrets.APP_ID}}
+          serviceCredentialsFileContent: ${{secrets.CREDENTIAL_FILE_CONTENT}}
+          groups: my_quran_testers
+          file: app/build/app/outputs/flutter-apk/app-release.apk