add IsResourceHeavy() to command interface

weed/shell/command_mq_topic_configure.go

@@ -29,6 +29,10 @@ func (c *commandMqTopicConfigure) Help() string {
 `
 }
 
+func (c *commandMqTopicConfigure) IsResourceHeavy() bool {
+	return false
+}
+
 func (c *commandMqTopicConfigure) Do(args []string, commandEnv *CommandEnv, writer io.Writer) error {
 
 	// parse parameters