feat(gift): 선물 받을 주소 저장소를 추가한다

src/main/kotlin/kr/co/vividnext/sodalive/v2/gift/adapter/out/persistence/GiftMailbox.kt

@@ -0,0 +1,33 @@
+package kr.co.vividnext.sodalive.v2.gift.adapter.out.persistence
+
+import javax.persistence.Column
+import javax.persistence.Entity
+import javax.persistence.Id
+import javax.persistence.Table
+
+@Entity
+@Table(name = "gift_mailbox")
+class GiftMailbox(
+    @Id
+    @Column(name = "id", nullable = false)
+    val id: Long = SINGLETON_ID,
+
+    @Column(name = "name", nullable = false, length = 50)
+    var name: String,
+
+    @Column(name = "phone_number", nullable = false, length = 30)
+    var phoneNumber: String,
+
+    @Column(name = "zip_code", nullable = false, length = 20)
+    var zipCode: String,
+
+    @Column(name = "address", nullable = false, length = 255)
+    var address: String,
+
+    @Column(name = "address_detail", length = 255)
+    var addressDetail: String?
+) {
+    companion object {
+        const val SINGLETON_ID = 1L
+    }
+}

src/main/kotlin/kr/co/vividnext/sodalive/v2/gift/adapter/out/persistence/GiftMailboxRepository.kt

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+package kr.co.vividnext.sodalive.v2.gift.adapter.out.persistence
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface GiftMailboxRepository : JpaRepository<GiftMailbox, Long>