Fix link to Wiki

README.md

@@ -4,4 +4,4 @@ SecBus is a hardware / software architecture that protects a System-on-a-Chip (S
 
 Please visit the [Wiki] for more information.
 
-[Wiki]: /wikis/home
+[Wiki]: https://gitlab.telecom-paristech.fr/renaud.pacalet/secbus/wikis/home