Add deploy step for docs

Author: grofit

.github/workflows/build-and-test.yml

@@ -58,6 +58,9 @@ jobs:
         uses: actions/upload-pages-artifact@v3
         with:
           path: demo/
+
+      - name: Deploy to GitHub Pages
+        uses: actions/deploy-pages@v4
 
   package-and-release:
     runs-on: windows-latest