refactor: Modify request param (#56)

Co-authored-by: Ahyun0326 <[email protected]>

src/main/java/com/beotkkot/qtudy/dto/request/posts/PostsRequestDto.java

@@ -18,7 +18,7 @@ public class PostsRequestDto {
  private Long categoryId;
  private String summary;
 
- public Posts toEntity(Long uid) {
+ public Posts toEntity(Long uid, String summary) {
  Date now = Date.from(Instant.now());
  SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  String writeDatetime = simpleDateFormat.format(now);