Add CI pipeline for automated builds

Author: zervin

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  flutter_analyze:
+    name: Flutter Analyze
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.19.0'
+          channel: 'stable'
+      - run: flutter pub get
+      - run: flutter analyze
+      - run: dart format --set-exit-if-changed lib/
+
+  flutter_test:
+    name: Flutter Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.19.0'
+          channel: 'stable'
+      - run: flutter pub get
+      - run: flutter test
+
+  android_build:
+    name: Android Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.19.0'
+          channel: 'stable'
+      - run: flutter pub get
+      - run: flutter build apk --debug
+      - uses: actions/upload-artifact@v4
+        with:
+          name: android-apk
+          path: build/app/outputs/flutter-apk/app-debug.apk