[refactor] add workflow

.github/workflows/gh-pages-deploy.yml

@@ -0,0 +1,26 @@
+name: gh-pages-deploy
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.3.1
+        with:
+          persist-credentials: false
+
+      - name: Install and Build
+        run: |
+          npm install
+          npm run build
+
+      - name: Deploy
+        uses: JamesIves/github-pages-deploy-action@4.1.3
+        with:
+          branch: gh-pages
+          folder: build/web