ci: automated publishing to GH pages

Author: uwla

.github/workflows/gh-pages.yml

@@ -0,0 +1,35 @@
+name: GitHub Pages Sync
+
+on:
+  push:
+    branches: ["master"]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '22'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build demo
+        run: npm run build:demo
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: demo
+          publish_dir: ./demo
+          commit_message: update demo