Room 컴포넌트를 위한 타입 작성

@@ -2,5 +2,20 @@ export interface RoomData {
   uuid: string;
   name: string;
   maxUsers: number;
-  users: string[];
+  users: User[];
+}
+
+export interface User {
+  username: string;
+  admin: boolean;
+  ready: boolean;
+}
+
+export interface UpdateRoomUser {
+  state: "added" | "updated" | "removed";
+  user: {
+    username: string;
+    admin: boolean;
+    ready: boolean;
+  };
 }