message consumer thread add

src/main/java/com/palnet/process/message/consumer/MessageConsumer.java

@@ -39,7 +39,7 @@ public class MessageConsumer {
 	}
 
     @RabbitHandler
-    @RabbitListener(queues = {"websocket.drone.queue"})
+    @RabbitListener(queues = {"websocket.drone.queue"}, concurrency = "8")
     public void receiveDroneMessage(final String message) throws JsonProcessingException {
 		log.info("websocket message : {}", message);
 		GPModel model = objectMapper.readValue(message, GPModel.class);