chore: Java 스타일 수정

Author: github-actions

backend/src/main/java/io/f1/backend/domain/game/app/RoomService.java

@@ -75,7 +75,7 @@ public class RoomService {
     public RoomCreateResponse saveRoom(RoomCreateRequest request) {
 
         QuizMinData quizMinData = quizService.getQuizMinData();
-      
+
         Quiz quiz = quizService.findQuizById(quizMinData.quizMinId());
 
         GameSetting gameSetting = toGameSetting(quizMinData);