fix docs workflow

.github/workflows/docs.yml

@@ -17,17 +17,23 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+
       - name: Set up Nix
         uses: cachix/install-nix-action@v31
 
       - name: Build documentation with Nix
-        # Use bash because some Nix examples assume bash; the runner provides it.
         run: |
           # Build the documentation package from the flake. Adjust system if needed.
-          nix build .#packages.x86_64-linux.documentation --no-link
+          nix build .#documentation
 
-      - name: Upload built docs
-        uses: actions/upload-artifact@v4
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v4
         with:
-          name: site
-          path: result
+          path: ./result
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4