코인 충전, 코인 내역 API 추가

src/main/kotlin/kr/co/vividnext/sodalive/live/room/LiveRoom.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.live.room
 
+import kr.co.vividnext.sodalive.can.use.UseCan
 import kr.co.vividnext.sodalive.common.BaseEntity
 import kr.co.vividnext.sodalive.member.Member
 import java.time.LocalDateTime
@@ -9,6 +10,7 @@ import javax.persistence.EnumType
 import javax.persistence.Enumerated
 import javax.persistence.FetchType
 import javax.persistence.JoinColumn
+import javax.persistence.OneToMany
 import javax.persistence.OneToOne
 
 @Entity
@@ -31,6 +33,9 @@ data class LiveRoom(
     @JoinColumn(name = "member_id", nullable = false)
     var member: Member? = null
 
+    @OneToMany(mappedBy = "room", fetch = FetchType.LAZY)
+    var useCan: MutableList<UseCan> = mutableListOf()
+
     var channelName: String? = null
     var isActive: Boolean = true
 }