Update README.md

Author: leelance

spring-boot-websocket-netty-server/README.md

@@ -1,4 +1,7 @@
 # spring-boot-websocket-netty-server, 依赖spring-boot-parent
+* [spring-boot](http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/)
+* [Netty](http://netty.io/)
+
 Spring Boot: user notifications with web socket
 
 This example will shows how to send notifications, via web socket, to specific logged-in users.
@@ -7,6 +10,10 @@ Could be useful, for example, if you are trying to implement a real-time user no
 
 ### Build and run
 
+![image](https://github.com/leelance/spring-boot-all/blob/master/spring-boot-websocket-netty-server/1.png)
+![image](https://github.com/leelance/spring-boot-all/blob/master/spring-boot-websocket-netty-server/2.png)
+![image](https://github.com/leelance/spring-boot-all/blob/master/spring-boot-websocket-netty-server/3.png)
+![image](https://github.com/leelance/spring-boot-all/blob/master/spring-boot-websocket-netty-server/4.png)
 #### Configurations
 ```java
 @SpringBootApplication