Added code quality workflow

.github/workflows/code_quality.yml

@@ -0,0 +1,22 @@
+name: Code quality check
+on:
+  pull_request:
+    branches:
+      - main
+jobs:
+  test:
+    name: Check the source code quality
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+          flutter-version: '3.16.9'
+
+      - name: Install packages
+        run: flutter pub get
+      - name: Linter
+        run: flutter analyze
+      - name: build check
+        run: flutter build apk