Add dunder version to ydb package

Author: vgvoleg

ydb/__init__.py

@@ -2,6 +2,10 @@
 
 __path__ = extend_path(__path__, __name__)
 
+from .ydb_version import VERSION
+
+__version__ = VERSION
+
 from .credentials import *  # noqa
 from .driver import *  # noqa
 from .global_settings import *  # noqa