Merge pull request #635 from cakephp/saeideng-patch-1

use new style of loading a plugin

Author: markstory

README.md

@@ -36,6 +36,11 @@ php composer.phar require --dev cakephp/debug_kit "~3.0"
 
 * [Load the plugin](http://book.cakephp.org/3.0/en/plugins.html#loading-a-plugin)
 ```php
+// src/Application.php
+$this->addPlugin('DebugKit');
+```
+Prior to 3.6.0
+```php
 Plugin::load('DebugKit', ['bootstrap' => true, 'routes' => true]);
 ```
 * Set `'debug' => true,` in `config/app.php`.