allow php 8.0 (#27)

Co-authored-by: Alain Pellaux <alain@gallib.net>

Author: hernandev

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php" : "^7.2.5",
+        "php" : "^7.2.5|^8.0.0",
         "illuminate/auth": "^5.8|^6.0|^7.0|^8.0",
         "illuminate/contracts": "^5.8|^6.0|^7.0|^8.0",
         "illuminate/database": "^5.8|^6.0|^7.0|^8.0",