update createRoom mutation

@@ -12,6 +12,7 @@ export const GET_ROOMS = gql`
 export const CREATE_ROOM = gql`
 export const CREATE_ROOM = gql`
   mutation createRoom($name: String!) {
   mutation createRoom($name: String!) {
     createRoom(name: $name) {
     createRoom(name: $name) {
+      id
       name
       name
     }
     }
   }
   }