feat(agent): Multi agent sdk (#976)

Co-authored-by: xtyuns <xtyuns@163.com>
Co-authored-by: Fangyin Cheng <staneyffer@gmail.com>
Co-authored-by: csunny <cfqsunny@163.com>
Co-authored-by: qidanrui <qidanrui@gmail.com>

dbgpt/app/openapi/api_v1/api_v1.py

@@ -45,6 +45,7 @@ from dbgpt.util.executor_utils import (
     DefaultExecutorFactory,
 )
 
+
 router = APIRouter()
 CFG = Config()
 CHAT_FACTORY = ChatFactory()