Update Readme.md

Author: TutorialsAndroid

Readme.md

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 # FilePicker ![API](https://img.shields.io/badge/API-21%2B-brightgreen.svg?style=flat) [![License](https://img.shields.io/badge/License-Apache%202.0-orange.svg)](https://opensource.org/licenses/Apache-2.0) [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-FilePicker-yellow.svg?style=flat)](https://android-arsenal.com/details/1/7663) 
 Android Library to select files/directories from Device Storage
 
+## Contributors
+
+[M&R Games](https://github.com/mrgames13)
+
+[Hatzen](https://github.com/Hatzen)
+
 **Library available at JitPack.io**
 
 [![](https://jitpack.io/v/TutorialsAndroid/FilePicker.svg)](https://jitpack.io/#TutorialsAndroid/FilePicker)