Add a deploy to gh pages

For every update to main

Author: alan412

.github/workflows/deploy_gh_pages.yml

@@ -0,0 +1,30 @@
+    name: Deploy to GitHub Pages
+
+    on:
+      push:
+        branches:
+          - main # or master
+
+    jobs:
+      build-and-deploy:
+        runs-on: ubuntu-latest
+        steps:
+          - name: Checkout
+            uses: actions/checkout@v4
+
+          - name: Setup Node.js
+            uses: actions/setup-node@v4
+            with:
+              node-version: '20' # or your preferred Node.js version
+
+          - name: Install dependencies
+            run: npm install
+
+          - name: Build package
+            run: npm run build # Replace with your build command, outputting to e.g., 'dist'
+
+          - name: Deploy to GitHub Pages
+            uses: peaceiris/actions-gh-pages@v4
+            with:
+              github_token: ${{ secrets.GITHUB_TOKEN }}
+              publish_dir: ./dist # Directory containing your built output