[Spring-Data-Rest] REST API 자동 생성

# Spring-Data-Rest spring-data-rest는 domain model과 repository를 분석해서, RESTful API를 제공해준다. https://docs.spring.io/spring-data/rest/docs/current/reference/html/#getting-started.basic-settings Spring Data REST Reference Guide Spring Data REST presents a default view of the domain model you export. However, sometimes, you may need to alter the view of that model for various reasons. This section cove..