docs: fix AuthAdminSite import path on README

- amisadmin/fastapi-amis-admin#134

Author: jason810496

README.md

@@ -54,7 +54,7 @@ pip install fastapi-user-auth
 ```python
 from fastapi import FastAPI
 from fastapi_amis_admin.admin.settings import Settings
-from fastapi_user_auth.site import AuthAdminSite
+from fastapi_user_auth.admin.site import AuthAdminSite
 from starlette.requests import Request
 from sqlmodel import SQLModel
 

README.zh.md

@@ -58,7 +58,7 @@ pip install fastapi-user-auth
 ```python
 from fastapi import FastAPI
 from fastapi_amis_admin.admin.settings import Settings
-from fastapi_user_auth.site import AuthAdminSite
+from fastapi_user_auth.admin.site import AuthAdminSite
 from starlette.requests import Request
 from sqlmodel import SQLModel