Change Buy Me A Coffee button to yellow

Updated the Buy Me A Coffee button color from blue to yellow.

Author: l00pss

README.md

@@ -7,7 +7,7 @@
   [![License](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
   [![Redis Compatible](https://img.shields.io/badge/Redis-Compatible-red.svg)](https://redis.io/)
   <br>
-  <a href="https://www.buymeacoffee.com/l00pss" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-blue.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
+  <a href="https://www.buymeacoffee.com/l00pss" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
 </div>