fix: Add canvas bg attribute

src/main/java/com/interplug/qcast/biz/canvasStatus/dto/CanvasStatusResponse.java

@@ -1,7 +1,6 @@
 package com.interplug.qcast.biz.canvasStatus.dto;
 
 import java.sql.Date;
-
 import lombok.Getter;
 import lombok.Setter;
 
@@ -15,4 +14,6 @@ public class CanvasStatusResponse {
     private String canvasStatus; 	//캠버스 상태
     private Date registDatetime; 	//생성일시
     private Date lastEditDatetime; 	//수정일시
+    private String bgImageName; 	//배경 이미지명
+    private String bgCadfileName; 	//배경 CAD 파일명
 }