added publish.yml

Author: CodingWithTashi

.github/workflows/publish.yml

@@ -0,0 +1,29 @@
+on:
+  release:
+    branches:
+      - master
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.3.3'
+      - name: Install dependencies
+        run: flutter pub get
+      - name: Analyze
+        run: flutter analyze
+      - name: Run tests
+        run: flutter test
+      - name: Format code
+        run: dart format --fix .
+      - name: Check Publish Warnings
+        run: dart pub publish --dry-run
+      - name: Publish
+        uses: k-paxian/[email protected]
+        with:
+          credentialJson: ${{ secrets.CREDENTIAL_JSON }}
+          flutter: true
+          skipTests: true