add a workflow

Author: thiessenp-cds

.github/workflows/deploy.yml

@@ -0,0 +1,35 @@
+name: Deploy to GitHub Pages
+
+on:
+  push:
+    branches: [main]
+
+# Allow the workflow to push to the gh-pages branch
+permissions:
+  contents: write
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
+
+      - name: Deploy to gh-pages branch
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist