docs: add Laravel 11 to readme

Author: rdesorme

README.md

@@ -39,7 +39,7 @@ Table of contents:
 | Locked Page |
 
 ### Requirements
-* [Laravel 5.3, 5.4, 5.5+ ,6+, 7+, 8+, 9+, and 10+](https://laravel.com/docs/installation)
+* [Laravel 5.3, 5.4, 5.5+ ,6+, 7+, 8+, 9+, 10+, and 11+](https://laravel.com/docs/installation)
 
 ### Installation Instructions
 1. From your projects root folder in terminal run: