Update README.md

Author: joni2back

README.md

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 A very smart filemanager to manage your files in the browser developed in AngularJS with Material-Design styles by [Jonas Sciangula Street](https://github.com/joni2back)
 
 #### [Try the DEMO](http://zendelsolutions.com/zendel/projects/angular-filemanager)
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+***Important:*** We need a collaborator to improve the [docs](API.md) !
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 ![alt tag](https://raw.githubusercontent.com/joni2back/angular-filemanager/master/screenshot1.png)
 ![alt tag](https://raw.githubusercontent.com/joni2back/angular-filemanager/master/screenshot2.png)
@@ -20,6 +24,7 @@ A very smart filemanager to manage your files in the browser developed in Angula
   - Mobile support
 
 ### TODO
+  - Improve the docs
   - Multiple file selector
   - Drag and drop
   - Dropbox and Google Drive compatibility