update docs

Author: z-song

README.md

@@ -1,62 +1,63 @@
 Summernote editor extension for laravel-admin
 ======
 
-这是一个`laravel-admin`扩展，用来将`Summernote`集成进`laravel-admin`的表单中
+This is a `laravel-admin` extension that integrates `Summernote` into the `laravel-admin` form.
 
-## 截图
+## Screenshot
 
 ![wx20180905-132310](https://user-images.githubusercontent.com/1479100/45072743-f1d92b00-b10e-11e8-9a51-9397fa4fb24e.png)
 
-## 安装
+## Installation
 
 ```bash
 composer require laravel-admin-ext/summernote
 ```
 
-然后
+Then
 ```bash
 php artisan vendor:publish --tag=laravel-admin-summernote
 ```
 
-## 配置
+## Configuration
 
-在`config/admin.php`文件的`extensions`，加上属于这个扩展的一些配置
+In the `extensions` section of the `config/admin.php` file, add some configuration that belongs to this extension.
 ```php
 
     'extensions' => [
 
         'summernote' => [
 
-            // 如果要关掉这个扩展，设置为false
+            //Set to false if you want to disable this extension
             'enable' => true,
 
-            // 编辑器的配置
+            // Editor configuration
             'config' => [
 
             ]
         ]
     ]
 
 ```
-
-编辑器的配置可以到[Summernote文档](https://summernote.org/getting-started/)找到，比如配置语言和高度
+The configuration of the editor can be found in [Summernote Documentation](https://summernote.org/getting-started/), such as configuration language and height.
 ```php
     'config' => [
         'lang'   => 'zh-CN',
         'height' => 500,
     ]
 ```
 
-## 使用
+## Usage
 
-在form表单中使用它：
+Use it in the form:
 ```php
 $form->summernote('content');
 ```
 
-## 支持
+## Donate
+
+> Help keeping the project development going, by donating a little. Thanks in advance.
 
-如果觉得这个项目帮你节约了时间，不妨支持一下;)
+[![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)