feat: new modul (stateflow)

api_v1/views/__init__.py

@@ -9,6 +9,8 @@ from .stock_change_views import (
     set_merchant_auto_complete_stock_change,
 )
 
+# Stateflow views
+from . import stateflow
 
 # 旧版本保留在 stock_change.py 文件中，测试通过后可删除
 
@@ -17,4 +19,5 @@ __all__ = [
     'list_stock_changes',
     'get_stock_change',
     'set_merchant_auto_complete_stock_change',
+    'stateflow',
 ]