Merge pull request #155 from nhnacademy-be4-My-Books/feature/order

refactor: dto 수정

src/main/java/store/mybooks/front/order/dto/response/BookOrderDetailResponse.java

@@ -23,5 +23,9 @@ public class BookOrderDetailResponse {
     private Integer cost;
     private Boolean isCouponUsed;
     private Integer amount;
+    private String image;
+
+    private String statusId;
+    private Long orderDetailId;
 
 }