Update domain.py

Author: andy-fisher

src/yandex_cloud_ml_sdk/_runs/domain.py

@@ -28,6 +28,8 @@
 class BaseRuns(BaseDomain, Generic[RunTypeT]):
     """
     Base class for Runs operations.
+    
+    For usage examples see `runs example <https://github.com/yandex-cloud/yandex-cloud-ml-sdk/blob/master/examples/async/assistants/runs.py>`_.
     """
     _run_impl: type[RunTypeT]