Add release workflow

.github/workflows/release.yaml

@@ -0,0 +1,29 @@
+name: Publish Workflow
+
+on:
+  release:
+    types: [published]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: "3.10.1"
+          channel: "stable"
+      - run: flutter pub get
+      - run: dart format --output none --set-exit-if-changed -l 80 lib
+      - run: dart analyze --fatal-infos --fatal-warnings lib
+      - run: flutter test
+      - name: Release
+        run: |
+          dart pub publish --dry-run
+          mkdir -p ~/.config/dart
+          echo "${{ secrets.PUBDEV_TOKEN }}" | base64 --decode >> ~/.config/dart/pub-credentials.json
+          dart pub publish --force