CI: Add basic analyze workflow

.github/workflows/analyze.yaml

@@ -0,0 +1,28 @@
+name: Flutter Analyze
+
+on: [push, pull_request]
+
+env:
+  FLUTTER_VERSION: '3.10.6'
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v2
+        with:
+          distribution: 'adopt'
+      - uses: subosito/flutter-action@v1
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+      - run: flutter pub get
+      - name: Check formatting
+        run: dart format lib/ test/ --set-exit-if-changed
+      - name: Check import formatting
+        run: dart run import_sorter:main --no-comments --exit-if-changed
+      - run: flutter analyze
+      - name: Apply google services patch
+        run: git apply ./scripts/enable-android-google-services.patch
+      - run: flutter analyze
+