ci: deploy via peaceiris/actions-gh-pages and auto-create gh-pages

Author: yanboishere

.github/workflows/deploy.yml

@@ -33,8 +33,11 @@ jobs:
         working-directory: website
 
       - name: Deploy to GitHub Pages (gh-pages branch)
-        run: npm run deploy
-        working-directory: website
-        env:
-          GIT_USER: github-actions[bot]
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: website/build
+          publish_branch: gh-pages
+          force_orphan: true
+          user_name: github-actions[bot]
+          user_email: 41898282+github-actions[bot]@users.noreply.github.com