Fix spacing issue on README

Author: taesup

README.md

@@ -7,6 +7,7 @@ Mainly used [Socket.io](https://socket.io) as a Websocket platform but Socket.io
 I do not deal with authenticating users through websockets, you can find more information about that here: https://stackoverflow.com/questions/19548009/user-authentication-using-socket-io
 
 [socketio-jwt](https://github.com/auth0-community/socketio-jwt)
+
 [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken)
 
 ### Demo