Update README.md

README.md

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 [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/causefx/Organizr.svg)](http://isitmaintained.com/project/causefx/Organizr "Average time to resolve an issue")
 [![GitHub stars](https://img.shields.io/github/stars/causefx/Organizr.svg)](https://github.com/causefx/Organizr/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/causefx/Organizr.svg)](https://github.com/causefx/Organizr/network)
+[![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://paypal.me/causefx)
 
 <p align="center"><img src="https://cloud.githubusercontent.com/assets/16184466/24440636/1e5e2002-140a-11e7-8da1-1cd68745cedd.png"></p>
 <p align="center">HTPC/Homelab Services Organizer - Written in PHP</p>