Add GitHub Actions workflow for Flutter CI

Author: srivilliamsai

.github/workflows/flutter_ci.yml

@@ -0,0 +1,27 @@
+name: Flutter CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+
+      - name: Install dependencies
+        run: flutter pub get
+
+      - name: Analyze
+        run: flutter analyze
+
+      - name: Run tests
+        run: flutter test