参数解析（paparse）

示例

    trainer:
        batch_size: 5
    data:
        train_path: "some_path"

    @dataclass
    class Config(SimpleConfig):

    class EarlyTerminatorConfig(MultiActiveModuleConfig):
        pass

    @dataclass
    class IncreasingValueConfig(EarlyTerminatorConfig):
        patience:int
        metric:str

    @dataclass
    class TrainerConfig:
        early_terminators:list[EarlyTerminatorConfig]
    #   batch_size:int
    #   drop_remainder:bool
    #   ...