Add distribute sample_app github pages (#12)

Author: renefloor

.github/workflows/app-distribute.yml

@@ -0,0 +1,58 @@
+name: App Distribute CI
+
+on:
+  push:
+    branches:
+      - main
+  release:
+    types: [published]
+
+  workflow_dispatch:
+    inputs:
+      flavor:
+        type: choice
+        description: Build flavor
+        options:
+          - beta
+          - prod
+      build_web:
+        type: boolean
+        description: Web
+        default: true
+
+env:
+  FLUTTER_VERSION: "3.35.2"
+  FLUTTER_CHANNEL: stable
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build_and_deploy_web:
+    name: Build and Deploy Dogfooding Web
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    if: ${{ github.event_name == 'push' || github.event_name == 'release'  || inputs.build_web == true }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: config git
+        run: |
+          git config --global user.email "$(git log --format='%ae' HEAD^!)"
+          git config --global user.name "$(git log --format='%an' HEAD^!)"
+          git fetch origin gh-pages:gh-pages
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          cache: true
+          channel: ${{ env.FLUTTER_CHANNEL }}
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+
+      - name: Build and Deploy
+        uses: bluefireteam/flutter-gh-pages@v9
+        with:
+          baseHref: /stream-feeds-flutter/
+          workingDir: sample_app