Publish github pages automatically

.github/workflows/deploy.yml

@@ -0,0 +1,23 @@
+name: Deploy README to GitHub Pages
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Copy README.md to index.md
+        run: mkdir -p public; cp README.md public/index.md
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./public
+          publish_branch: gh-pages
+          enable_jekyll: true