add kitkat build for manual cicd

.github/workflows/build_kitkat.yml

@@ -0,0 +1,84 @@
+name: build_kitkat
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build_kitkat_release:
+    if: ${{github.ref_type == 'branch' && github.ref_name == 'kitkat'}}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone the repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install and set up Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
+      - name: Install and set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.16.9'
+          channel: 'stable'
+
+      - name: Set up signing key
+        run: echo $SIGNING_KEY | base64 -d > android/app/key.jks
+        env:
+          SIGNING_KEY: ${{ secrets.SIGNING_KEY }}
+
+      - name: Set env
+        run: |
+          APP_VERSION=$(git describe --tags --abbrev=0 | sed 's/v//g')
+          echo "APPLICATION_VERSION=$APP_VERSION-kitkat" >> $GITHUB_ENV
+          APP_BUILD_BASE=300000000
+          COMMIT_NUMBER=$(git rev-list HEAD --count)
+          APP_BUILD_NUMBER=$((COMMIT_NUMBER*10+APP_BUILD_BASE))
+          echo "APPLICATION_BUILD_NUMBER=$APP_BUILD_NUMBER" >> $GITHUB_ENV
+
+      - name: Build APKs
+        run: |
+          flutter config --no-analytics
+          flutter pub get
+          flutter pub run flutter_oss_licenses:generate.dart
+          flutter pub run intl_utils:generate
+
+          # Create a directory for our release APKs	
+          mkdir -pv build/app/outputs/release
+
+          # Build our big boy APK, and move it into the release APKs folder
+          flutter build apk --dart-define=app.flavor=github --release --no-tree-shake-icons --build-name=${{env.APPLICATION_VERSION}} --build-number=${{env.APPLICATION_BUILD_NUMBER}}
+          mv build/app/outputs/apk/release/*.apk build/app/outputs/release
+
+          # Build our ABI-specific APKs and move them into the release APKs folder
+          flutter build apk --dart-define=app.flavor=github --release --no-tree-shake-icons --split-per-abi --target-platform=android-x64,android-arm,android-arm64 --build-name=${{env.APPLICATION_VERSION}} --build-number=${{env.APPLICATION_BUILD_NUMBER}}
+          mv build/app/outputs/apk/release/*.apk build/app/outputs/release
+
+          # *** Optional when an alternate F-Droid repository is also used ***
+          # Build our ABI-specific APKs to copy them remotely to the alternate F-Droid repository.
+          if [[ -n "$ALT_FDROID_REPO_USER" && -n "$ALT_FDROID_REPO_HOST" && -n "$ALT_FDROID_REPO_FOLDER" ]]; then
+            flutter build apk --dart-define=app.flavor=fdroid --release --no-tree-shake-icons --split-per-abi --target-platform=android-x64,android-arm,android-arm64 --build-name=${{env.APPLICATION_VERSION}} --build-number=${{env.APPLICATION_BUILD_NUMBER}}
+            sshpass -e scp build/app/outputs/apk/release/*.apk $ALT_FDROID_REPO_USER@$ALT_FDROID_REPO_HOST:$ALT_FDROID_REPO_FOLDER
+            rm build/app/outputs/apk/release/*.apk
+          fi
+
+        env:
+          KEY_STORE_PASSWORD: ${{ secrets.KEY_STORE_PASSWORD }}
+          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
+          KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
+          KEY_PATH: key.jks
+          # *** Optional when an alternate F-Droid repository is also used ***
+          ALT_FDROID_REPO_USER: ${{ secrets.ALT_FDROID_REPO_USER }}
+          ALT_FDROID_REPO_HOST: ${{ secrets.ALT_FDROID_REPO_HOST }}
+          ALT_FDROID_REPO_FOLDER: ${{ secrets.ALT_FDROID_REPO_FOLDER }}
+          SSHPASS: ${{ secrets.ALT_FDROID_REPO_PASSWORD }}
+
+      - name: Upload APKs
+        uses: actions/upload-artifact@v4
+        with:
+          name: kitkat_apks
+          path: build/app/outputs/release/*.apk
+