fix: update readme

Author: remy

README.md

@@ -2,7 +2,7 @@
 
 # nodemon
 
-[![Donate](https://img.shields.io/badge/donate-%20%E2%9D%A4%20-green.svg)](https://www.paypal.me/rem)
+<a href="https://app.codesponsor.io/link/wnz2te8CdfKZ8wMjGUpi8EZG/remy/nodemon" rel="nofollow"><img src="https://app.codesponsor.io/embed/wnz2te8CdfKZ8wMjGUpi8EZG/remy/nodemon.svg" style="width: 888px; height: 68px;" alt="Sponsor" /></a>
 
 For use during development of a node.js based application.