update supported locales in README.md

Author: streamtw

README.md

@@ -10,7 +10,7 @@ PR is welcome!
 
  * The project was forked from [tsawler/laravel-filemanager](http://packalyst.com/packages/package/tsawler/laravel-filemanager)
  * Customizable routes and middlewares
- * Supported locales : en, fr, bg, tr, fa, es, pt-BR, tr, zh-CN, zh-TW, ar
+ * Supported locales : ar, bg, en, es, fa, fr, he, hu, nl, pt-BR, ru, tr, zh-CN, zh-TW
  * Supports public and private folders for multi users
  * Supports multi-level folders
  * Supports using independently(see integration doc)