chore: add workflow to deploy the website

Author: hamzaremmal

.github/workflows/static.yaml

@@ -0,0 +1,27 @@
+name: Deploy to `workshop.scala-lang.org`
+on:
+  push:
+    branches:
+      - main
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses:  actions/upload-pages-artifact@v3
+        with:
+          path: "${{ github.workspace }}"
+          
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build
+    permissions:
+      pages: write      # to deploy to Pages
+      id-token: write   # to verify the deployment originates from an appropriate source
+    environment:
+      name: github-pages
+      url: "${{ steps.deployment.outputs.page_url }}"
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4