개요git 사용 과정에서 다음과 같은 경고 메시지가 발생하였습니다.warning: adding embedded git repository: frontendhint: You've added another git repository inside your current repository.hint: Clones of the outer repository will not contain the contents ofhint: the embedded repository and will not know how to obtain it.hint: If you meant to add a submodule, use:hint:hint: git submodule add frontendhint:hint: If you adde..