add github workflow

.github/workflows/publish.yml

@@ -0,0 +1,29 @@
+name: Build and Deploy to GitHub Pages
+on:
+  push:
+    branches:
+    - master
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12.x'
+
+      - name: Install and Build 🔧
+        run: |
+          npm install
+          npm run build
+
+      - name: Deploy 🚀
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist