:param path:  example: "/.rwmeta/developer_settings.json"
    :return: dict

def read_cfg(path) -> dict:
    """
    :param path:  example: "/.rwmeta/developer_settings.json"
    :return: 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