Merge pull request #128 from Guzzing/academy-schedules

 r-tree index가 있으나 사용하지 못했던 쿼리 개선, N+1 문제 해결 등으로 1s에서 500ms로 응답시간 개선

src/main/java/org/guzzing/studayserver/domain/region/repository/RegionJpaRepository.java

@@ -21,7 +21,7 @@ Optional<Region> findBySidoAndSigunguAndUpmyeondong(final String sido, final Str
             final String upmyeondong);
 
     @Override
-    @Query("select r from Region r where ST_Contains(r.area, :point) = true")
+    @Query("select r from Region r where ST_Contains(r.area, :point)")
     Optional<Region> findByAreaContainingPoint(@Param("point") final Point point);
 
 }