Update README.md

Author: atinux

README.md

@@ -9,6 +9,10 @@ node-ftps
 
 FTP, FTPS and SFTP client for node.js, mainly a `lftp` wrapper.
 
+<a target='_blank' rel='nofollow' href='https://app.codesponsor.io/link/htiWA79uE8uubJymVd58XjBi/Atinux/node-ftps'>
+  <img alt='Sponsor' width='888' height='68' src='https://app.codesponsor.io/embed/htiWA79uE8uubJymVd58XjBi/Atinux/node-ftps.svg' />
+</a>
+
 Requirements
 ------------