Add link to Cerberus

Author: 0xb01u

README.md

@@ -1,6 +1,6 @@
 # Hermes - The Messenger of the Gods
 
-Hermes is a version of Cerberus (a Discord bot) that, instead of simulating http://frontendv.infor.uva.es or similar request queues, serves as intermediary with them.
+Hermes is a version of [Cerberus](https://github.com/0xb01u/Cerberus/) (a Discord bot) that, instead of simulating http://frontendv.infor.uva.es or similar request queues, serves as intermediary with them.
 
 Hermes is designed for real use on University subjects.