✨ feat: 퀴즈 목록 조회 최신순으로 정렬

Author: silver-eunjoo

backend/src/main/java/io/f1/backend/domain/quiz/api/QuizController.java

@@ -12,6 +12,7 @@
 
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
@@ -71,7 +72,7 @@ public ResponseEntity<QuizListPageResponse> getQuizzes(
             @RequestParam(required = false) String title,
             @RequestParam(required = false) String creator) {
 
-        Pageable pageable = PageRequest.of(page - 1, size);
+        Pageable pageable = PageRequest.of(page - 1, size, Sort.by(Sort.Direction.DESC, "createdAt"));
         QuizListPageResponse quizzes = quizService.getQuizzes(title, creator, pageable);
 
         return ResponseEntity.ok().body(quizzes);