Adding support for PHP 8

Author: palypster

composer.json

@@ -32,7 +32,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.5|^7.3.0",
+        "php": "^7.2.5|^7.3.0|^8.0",
         "illuminate/container": "^6.0|^7.0|^8.0",
         "illuminate/contracts": "^6.0|^7.0|^8.0",
         "illuminate/database": "^6.0|^7.0|^8.0",