Build Tooling: Restore Playground GitHub Pages deploy (#22443)

.github/workflows/storybook-pages.yml

@@ -0,0 +1,32 @@
+name: Storybook GitHub Pages
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          ref: master
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12.x'
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Build Storybook
+        run: npm run storybook:build
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./playground/dist