added PHP8 support

Author: JohnyProkie

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^7.1",
+        "php": "^7.1|^8.0",
         "illuminate/database": "^5.5.0|^6.0|^7.0|^8.0",
         "illuminate/support": "^5.5.0|^6.0|^7.0|^8.0"
     },