Feat: chat response 생성

Author: skyeong42

src/main/java/cmf/commitField/domain/chat/chatRoom/controller/response/ChatRoomResponse.java

@@ -1,4 +1,4 @@
-//package cmf.commitField.domain.chat.chatRoom.controller.response;
-//
-//public class ChatRoomResponse {
-//}
+package cmf.commitField.domain.chat.chatRoom.controller.response;
+
+public class ChatRoomResponse {
+}