deploy with github action

.github/workflows/build_flutter.yml

@@ -0,0 +1,46 @@
+name: Deploy Flutter
+
+on:
+  push:
+    branches: ["develop"]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        flutter_version: [3.13.1]
+        flutter_path: ["/opt/hostedtoolcache/flutter"]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Load Flutter SDK from Cache
+        uses: actions/cache@v3.2.6
+        with:
+          path: ${{ matrix.flutter_path }}
+          key: ${{ runner.os }}-flutter-${{ matrix.flutter_version }}
+
+      - name: Setup Flutter SDK
+        uses: subosito/flutter-action@v2.8.0
+        with:
+          flutter-version: ${{ matrix.flutter_version }}
+
+      - name: Install Packages
+        run: flutter pub get
+
+      - name: Build Flutter Web
+        run: flutter build web --release
+
+      - name: Deploy to GitHub Pages
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          folder: build/web
+          branch: develop