ci: deploy to GitHub Pages

.github/workflows/deploy.yml

@@ -0,0 +1,35 @@
+name: Deploy to GitHub Pages
+
+on:
+  # Trigger the workflow when a push is made to any branch
+  push:
+  # Allows you to run this workflow manually from the Actions tab on GitHub.
+  workflow_dispatch:
+
+# Allow this job to clone the repo and create a page deployment
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout your repository using git
+        uses: actions/checkout@v3
+      - name: Install, build, and upload your site
+        uses: withastro/action@v2
+        with:
+          package-manager: pnpm@9
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4