json_file_path (str): The path to the JSON file containing the project structure.
output_path (str): The base path where the folder structure will be created.
template_folder (str): The path to the template folder to be copied.
project_name (str): Name of top level project (e.g., modeling library). Input specification may contain this but if this is not None it will override it.
architecture (str): The type of project structure to create ('nested' or 'flat').