✨ feat: 비밀방 여부 포함

Author: silver-eunjoo

backend/src/main/java/io/f1/backend/domain/game/dto/response/RoomSettingResponse.java

@@ -1,3 +1,3 @@
 package io.f1.backend.domain.game.dto.response;
 
-public record RoomSettingResponse(String roomName, int maxUserCount, int currentUserCount) {}
+public record RoomSettingResponse(String roomName, int maxUserCount, int currentUserCount, boolean locked) {}

backend/src/main/java/io/f1/backend/domain/game/mapper/RoomMapper.java

@@ -44,7 +44,8 @@ public static RoomSettingResponse toRoomSettingResponse(Room room) {
         return new RoomSettingResponse(
                 room.getRoomSetting().roomName(),
                 room.getRoomSetting().maxUserCount(),
-                room.getPlayerSessionMap().size());
+                room.getPlayerSessionMap().size(),
+                room.getRoomSetting().locked());
     }
 
     public static GameSettingResponse toGameSettingResponse(GameSetting gameSetting, Quiz quiz) {