refactor

Author: z-song

README.md

@@ -8,6 +8,10 @@ Helpers for laravel-admin
 
 [Documentation](http://laravel-admin.org/docs/#/en/extension-helpers) | [中文文档](http://laravel-admin.org/docs/#/zh/extension-helpers)
 
+DEMO [helpers](http://demo.laravel-admin.org/helpers/scaffold)  
+
+Login using `admin/admin`
+
 ## Installation
 
 ```
@@ -20,6 +24,14 @@ $ php artisan admin:import helpers
 
 See [wiki](http://laravel-admin.org/docs/#/en/extension-helpers?id=helpers)
 
+## Donate
+
+> Help keeping the project development going, by donating a little. Thanks in advance.
+
+[![PayPal Me](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.me/zousong)
+
+![-1](https://cloud.githubusercontent.com/assets/1479100/23287423/45c68202-fa78-11e6-8125-3e365101a313.jpg)
+
 License
 ------------
 Licensed under [The MIT License (MIT)](LICENSE).

composer.json

@@ -13,7 +13,6 @@
     ],
     "require": {
         "php": ">=7.0.0",
-        "laravel/framework": "~5.5",
         "encore/laravel-admin": "~1.6"
     },
     "require-dev": {