Add gh actions to auto generate website

.github/workflows/publish.yml

@@ -0,0 +1,22 @@
+name: Publish to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  publish:
+    runs-on: self-hosted
+    steps:
+      - name: Check out
+        uses: actions/checkout@v4
+
+      - name: Build the site
+        run: ./utils/build.sh
+
+      - name: Deploy
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: gh-pages
+          folder: docs