Moved authentication method to admin model cls

Author: vsdudakov

fastadmin/__init__.py

@@ -2,5 +2,5 @@
 from fastadmin.models.base import ModelAdmin
 from fastadmin.models.decorators import register
 from fastadmin.models.orm.tortoise import TortoiseModelAdmin
-from fastadmin.schemas.configuration import WidgetType
 from fastadmin.schemas.api import ExportFormat
+from fastadmin.schemas.configuration import WidgetType