Update README.md

Author: phimage

README.md

@@ -9,7 +9,13 @@
 [![Issues](https://img.shields.io/github/issues/phimage/CallbackURLKit.svg?style=flat
            )](https://github.com/phimage/CallbackURLKit/issues)
 [![Cocoapod](http://img.shields.io/cocoapods/v/CallbackURLKit.svg?style=flat)](http://cocoadocs.org/docsets/CallbackURLKit/)
-[![Join the chat at https://gitter.im/phimage/CallbackURLKit](https://img.shields.io/badge/GITTER-join%20chat-00D06F.svg)](https://gitter.im/phimage/CallbackURLKit?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+
+<a href="https://www.patreon.com/phimage">
+<img src="https://c5.patreon.com/external/logo/become_a_patron_button.png" alt="Become a Patron!" height="35">
+</a>
+<a href="https://paypal.me/ericphimage">
+<img src="https://buymecoffee.intm.org/img/button-paypal-white.png" alt="Buy me a coffee" height="35">
+</a>
 
 [<img align="left" src="logo.png" hspace="20">](#logo) Starting to integrate URL scheme in an app,
 why not be compliant with [x-callback-url](http://x-callback-url.com/specifications/).