ci: add iOS build job to CI pipeline

.github/workflows/ci.yml

@@ -95,6 +95,33 @@ jobs:
           name: habo-macos
           path: build/macos/Build/Products/Release/habo.dmg
 
+  build-ios:
+    needs: test
+    runs-on: mac-runner
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.35.7'
+      - name: Get dependencies
+        run: flutter pub get
+      - name: Install CocoaPods
+        run: cd ios && pod install
+      - name: Build iOS
+        run: flutter build ios --release --no-codesign --no-tree-shake-icons
+      - name: Package .app
+        run: |
+          mkdir -p payload
+          cp -r build/ios/iphoneos/Runner.app payload/
+          cd payload
+          zip -r ../Habo-iOS-no-sign.zip Runner.app
+      - name: Upload iOS artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: habo-ios-no-sign
+          path: Habo-iOS-no-sign.zip
+
   build-windows:
     needs: test
     runs-on: windows-runner