add manage domain function

backend/app/db/schemas.py

@@ -192,6 +192,10 @@ class DomainOut(BaseModel):
     class ConfigDict:
         orm_mode = True
 
+class UserDomainParam(BaseModel):
+    userid:int
+    domainid:int
+
 class UserDomain(BaseModel):
     id: int
     is_default: bool