prepare for 6.x

composer.json

@@ -6,16 +6,16 @@
 	"license": "MIT",
 	"authors": [
 		{
-			"name": "Original: Jan Hartigan, modified by CJ",
-			"email": "cj@estgroupe.com"
+			"name": "Summer",
+			"email": "summer@learnku.com"
 		}
 	],
 	"support": {
 		"issues": "https://github.com/summerblue/administrator/issues"
 	},
 	"require": {
 		"php": ">=7.0.0",
-		"laravel/framework": "5.5.* || 5.6.* || 5.7.* || 5.8.*",
+		"laravel/framework": "6.*",
 		"ckeditor/ckeditor": "4.*"
 	},
 	"require-dev": {