api와 storage에 대해 멀티모듈 구조로 분리

storage/build.gradle

@@ -0,0 +1,33 @@
+plugins {
+    id 'org.jetbrains.kotlin.plugin.spring'
+    id 'org.springframework.boot'
+    id 'org.hibernate.orm'
+    id 'org.jetbrains.kotlin.plugin.jpa'
+}
+
+dependencies {
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+    runtimeOnly 'com.h2database:h2'
+    runtimeOnly 'org.postgresql:postgresql'
+}
+
+hibernate {
+    enhancement {
+        enableAssociationManagement = true
+    }
+}
+
+allOpen {
+    annotation 'jakarta.persistence.Entity'
+    annotation 'jakarta.persistence.MappedSuperclass'
+    annotation 'jakarta.persistence.Embeddable'
+}
+
+// 라이브러리 모듈이므로 bootJar 비활성화
+bootJar {
+    enabled = false
+}
+
+jar {
+    enabled = true
+}