docs: def make_exporter_resources(nb_name, out_folder, images_folder=None):
      """
      Creates resources dict for the exporter
      """
      resources = defaultdict(str)
      resources['metadata'] = defaultdict(str)
      resources['metadata']['name'] = nb_name
      resources['metadata']['path'] = out_folder
  
      # This results in images like AB_5_1.png for a notebook called AB.ipynb
      resources['unique_key'] = nb_name
      resources['output_files_dir'] = images_folder
  
      return resources