fix(#42 search) : 검색 결과 기본 최신순으로 설정

Author: sungchaewon

src/main/java/com/example/FixLog/controller/SearchController.java

@@ -8,6 +8,7 @@
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -29,7 +30,7 @@ public Response<PageResponseDto<SearchPostDto>> search(
             @RequestParam(defaultValue = "0") int page,
             @RequestParam(defaultValue = "10") int size) {
 
-        Pageable pageable = PageRequest.of(page, size);
+        Pageable pageable = PageRequest.of(page, size, Sort.by(Sort.Direction.DESC, "createdAt"));
         Page<SearchPostDto> result = searchService.searchPosts(keyword, tags, pageable);
 
         PageResponseDto<SearchPostDto> responseDto = PageResponseDto.from(result, dto -> dto);