세부 오염도 등급 추가

각 항목별 세부 오염도 등급을 추가 하였습니다.

Signed-off-by: karuana <mse201@gmail.com>
세부 폴루션 가져오는 DAO 완성

Signed-off-by: karuana <mse201@gmail.com>
Pollution 뷰 등급 종류 생성

생성함

Signed-off-by: karuana <mse201@gmail.com>
Merge branch 'master' of https://github.com/karuana/STANly_Server