Create pages.yml workflow with explicit upload-artifact@v4

.github/workflows/pages.yml

@@ -0,0 +1,58 @@
+name: Deploy GitHub Pages
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+      
+      - name: Build docs
+        run: |
+          # Create .nojekyll file to disable Jekyll
+          touch docs/.nojekyll
+      
+      # Use upload-artifact@v4 explicitly
+      - name: Create artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: github-pages
+          path: docs
+          retention-days: 1
+      
+      # Download the same artifact for deployment
+      - name: Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: github-pages
+          path: _site
+      
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: _site
+      
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2