랭킹 간단 조회 dao 추가

src/main/java/com/caliverse/admin/domain/dao/admin/RankMapper.java

@@ -10,6 +10,7 @@ import java.util.Map;
 public interface RankMapper {
 
     List<RankingSchedule> getRankingScheduleList(Map map);
+    List<RankingSchedule> getRankingScheduleSimpleList();
     int getTotal();
     RankingSchedule getRankingScheduleDetail(Long id);