Update .github/workflows/render-quarto.yml

Co-authored-by: Chris Black <chris@ckblack.org>

Author: AritraDey-Dev

.github/workflows/render-quarto.yml

@@ -96,7 +96,8 @@ jobs:
           mkdir -p $TARGET_DIR
           
           # Copy HTML files and support folders
-          cp -r quarto_html_build/* $TARGET_DIR/
+          rsync -a --delete quarto_html_build/* $TARGET_DIR/
+          echo "Autogenerated by https://github.com/PecanProject/pecan/actions/workflows/render-quarto.yml" > "$TARGET_DIR"/README.txt
           
           # Commit and push
           cd pecan-documentation