Merge pull request #303 from josbeir/master

Add filesystem plugin

README.md

@@ -168,6 +168,7 @@ Additional lists you might find useful:
 - [FlyPie plugin](https://github.com/WyriHaximus/FlyPie) - Abstract filesystem access using Flysystem.
 - [FriendsOfCake/Upload plugin](https://github.com/FriendsOfCake/cakephp-upload) - A customisable plugin that uses [Flysystem](http://flysystem.thephpleague.com/) to write to multiple backends (Dropbox, FTP, S3, Local, etc.).
 - [Image plugin](https://github.com/josbeir/image) - Image behavior that works much like Cake's built in TranslateBehavior.
+- [Josbeir/Filesystem plugin](https://github.com/josbeir/cakephp-filesystem) - Abstract [Flysystem](http://flysystem.thephpleague.com/) + file entity based upload plugin.
 - [Proffer plugin](https://github.com/davidyell/CakePHP3-Proffer) - A customisable upload plugin with thumbnail generation.
 - [Upload plugin](https://github.com/Xety/Cake3-Upload) - A little plugin to upload file.