feat: add deploy workflow

.github/workflows/deploy.yaml

@@ -0,0 +1,40 @@
+name: 🌎 Deploy to GitHub Pages
+
+on:
+  # Trigger the workflow every time you push to the `main` branch
+  push:
+    branches: [main]
+  # Allows you to run this workflow manually from the Actions tab on GitHub.
+  workflow_dispatch:
+
+# Allow this job to clone the repo and create a page deployment
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout your repository using git
+        uses: actions/checkout@v4
+      - name: Build Flutter app
+        uses: subosito/flutter-action@v2
+      - run: flutter pub get
+      - run: flutter build web -t lib/main_production.dart
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: build/web/
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

web/index.html

@@ -15,8 +15,6 @@
     This is a placeholder for base href that will be replaced by the value of
     the `--base-href` argument provided to `flutter build`.
   -->
-  <base href="$FLUTTER_BASE_HREF">
-
   <meta charset="UTF-8">
   <meta content="IE=Edge" http-equiv="X-UA-Compatible">
   <meta name="description" content="Vehicle Cockpit demo project.">