[refactor] AbvLevel Enum의 L1 등급 기준 및 로직 변경 #37#38

MEOHIN merged 1 commit intodevprgrms-web-devcourse-final-project/WEB6_8_HaeDokCoding_BE:devfrom

feat#37prgrms-web-devcourse-final-project/WEB6_8_HaeDokCoding_BE:feat#37Copy head branch name to clipboard