Add a link to the demo

README.md

@@ -4,3 +4,5 @@ vroom
 Video conf based on [SimpleWebRTC.js](https://github.com/HenrikJoreteg/SimpleWebRTC)
 
 Check documentation here: https://wikit.firewall-services.com/doku.php/projets/vroom
+
+You can also check the demo here: https://vroom.firewall-services.com