Add docstrings for __init__.py v.5

Author: Mandzhi

src/yandex_cloud_ml_sdk/_models/__init__.py

@@ -9,7 +9,6 @@
 from .text_classifiers.function import AsyncTextClassifiers, BaseTextClassifiers, TextClassifiers
 from .text_embeddings.function import AsyncTextEmbeddings, BaseTextEmbeddings, TextEmbeddings
 
-
 class BaseModels(DomainWithFunctions):
     """
     Domain for working with `Yandex Foundation Models <https://yandex.cloud/ru/services/foundation-models>`.