added video to readme.md

README.md

@@ -1,8 +1,11 @@
 # SMS Gateway
 
-The smsgateway is a Python3 based software solution to send SMS with HTTPs REST calls (web interface) using commodity hardware. 
+The smsgateway is a Python3 based software solution to send SMS with HTTPs REST calls (web interface) using commodity hardware.
 
 It is scalable in number of modems, routes SMS by targetnumber and runs on a single host as well as in a geographically distributed environment. For more information, documentation and help see the [smsgateway wiki](https://github.com/n0r1sk/smsgateway/wiki)!
 
+## Screencast
+[![SMS Gateway screencast](https://raw.githubusercontent.com/wiki/n0r1sk/smsgateway/images/smsgw-youtube.png)](http://www.n0r1sk.com/smsgateway-youtube)
+
 ## Version
 v1.2