Improve to support export folder structure

Author: ndrezn

.github/workflows/deploy-pages.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Convert JSON files to HTML
         run: |
-          if [ -d "json" ] && [ "$(ls -A json/*.json 2>/dev/null)" ]; then
+          if [ -d "json" ] && [ -n "$(find json -name '*.json' -type f 2>/dev/null)" ]; then
             chmod +x convert_json_to_html.py
             uv run convert_json_to_html.py
           else