修改公告发送者类型

ldt-core/src/main/java/org/springblade/common/enums/SenderType.java

@@ -16,6 +16,7 @@ import lombok.Getter;
 @AllArgsConstructor
 public enum SenderType {
 	SHOP("SHOP", "商家"),
+	MALL("MALL", "商场"),
 	PLATFORM("PLATFORM", "平台"),
 	;