Create dart.yml

.github/workflows/dart.yml

@@ -0,0 +1,47 @@
+name: Build Windows Application
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Navigate to project directory
+      run: cd mrt_wallet
+
+    - name: Set Flutter directory
+      run: echo "FLUTTER_ROOT=flutter_sdk" >> $GITHUB_ENV
+
+    - name: Download and set up Flutter
+      run: |
+        curl -L -o flutter.zip https://storage.googleapis.com/flutter_infra_release/releases/stable/windows/flutter_windows_3.3.8-stable.zip
+        Expand-Archive -Path flutter.zip -DestinationPath ${{ env.FLUTTER_ROOT }}
+        echo "${{ env.FLUTTER_ROOT }}\flutter\bin" >> $GITHUB_PATH
+
+    - name: Install dependencies
+      run: flutter pub get
+      working-directory: mrt_wallet
+
+    - name: Enable Windows desktop
+      run: flutter config --enable-windows-desktop
+      working-directory: mrt_wallet
+
+    - name: Build Windows
+      run: flutter build windows --release
+      working-directory: mrt_wallet
+
+    - name: Archive build artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: windows-build
+        path: mrt_wallet/build/windows/runner/Release/