edit README

README.md

@@ -34,6 +34,7 @@ cd chorechef
 
 This should start the frontend on [http://localhost:5173](http://localhost:5173)
 and the backend on [http://localhost:8000](http://localhost:8000).
+The django admin interface is available at [http://localhost:8000/admin](http://localhost:8000/admin).
 Note that this is the expected configuration for the application to work properly.
 
 ## Usage