code: def read_cfg(path) -> dict:
      
      ret = None
      full_path = __build_path(path)
      if os.path.isfile(full_path):
          with open(full_path, 'r') as myfile:
              ret = json.loads(myfile.read())
      return ret
docs: :param path:  example: "/.rwmeta/developer_settings.json"
      :return: dict