chore: add azureDeploy.yml for demo

.github/workflows/azureDeploy.yml

@@ -0,0 +1,27 @@
+on:
+  push:
+    branches:
+      - demo
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js 10.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: '10.x'
+      - uses: actions/checkout@v2
+        with:
+          ref: demo
+      - name: npm install, build
+        run: |
+          npm install
+          npm run build:demo:prod
+      - name: 'Deploy to Azure WebApp'
+        uses: tibor19/static-website-deploy@v1
+        with:
+          enabled-static-website: 'true'
+          folder: 'dist'
+          connection-string: ${{ secrets.AZURE_CREDENTIALS }}