Update github pages automatically too

.github/workflows/npm-publish.yml

@@ -4,6 +4,26 @@ on:
     branches:
       - master
 jobs:
+  gh-pages:
+    name: Update Github Pages
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@master
+      - name: Set up Node.js
+        uses: actions/setup-node@master
+        with:
+          node-version: 18
+      - name: Install dependencies
+        run: yarn
+      - name: Build
+        run: yarn build
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: .
+          publish_branch: gh-pages
   npm-publish:
     name: npm-publish
     runs-on: ubuntu-latest