Add PHP 8.0 Support

Author: Robert Allport

composer.json

@@ -18,7 +18,7 @@
         }
     ],
     "require": {
-        "php": "^7.2",
+        "php": "^7.2|^8.0",
         "laravel/framework": "5.8.* || ^6.0 || ^7.0 || ^8.0"
     },
     "require-dev": {