[React 5] 'create-react-app'으로 생성한 프로젝트의 오류와 경고 제거하기
리액트(react) 공부하려고 'create-react-app'로 프로젝트 생성하고 돌리는데.... npm WARN deprecated firstname.lastname@example.org: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial). npm WARN ..