Updated README to buy coffee

Author: prajapati-parth

README.md

@@ -1,6 +1,8 @@
 # Gitlly
 Minimal git client
 
+Did Gitlly help you? Consider buying me a coffee!<br/><a href="https://www.buymeacoffee.com/kTI9b0xj1" target="_blank"><img src="https://www.buymeacoffee.com/assets/img/custom_images/purple_img.png" alt="Buy Me A Coffee" style="height: auto !important;width: auto !important;" ></a>
+
 <p align='center'>
   <img alt='gitlly in action' src='/images/gitlly-action.png'>
 </p>