handling of gh-pages branch not existing

.github/workflows/deploy.yml

@@ -32,7 +32,7 @@ jobs:
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
 
           # Create or checkout the 'gh-pages' branch
-          git fetch origin gh-pages
+          git fetch origin gh-pages || echo "gh-pages branch does not exist"
           git checkout gh-pages || git checkout --orphan gh-pages
 
           # Remove all existing files from the branch