Update README.md

Author: issotina

README.md

@@ -65,7 +65,16 @@ Credit : This android library use [Autobahn-java](https://github.com/crossbario/
             }
         });
 ```
+### 2 - Send data to server
 
+ ```java 
+ ws.send("Hello World");
+ ```
+ or send to specific channel
+ 
+ ```java
+ ws.send("path/to/channel","Hello Channel");
+ ```
 License
 -------