Update readme.md

Author: jeremykenedy

readme.md

@@ -48,7 +48,7 @@
 
 ## About
 A Powerful package for handling roles and permissions in Laravel.
-Supports Laravel 5.3, 5.4, 5.5, 5.6, 5.7 and 5.8.
+Supports Laravel 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, and 6.0.
 
 ## Features
 | Laravel Roles Features  |