add sponsor to readme

Author: jjw24

README.md

@@ -350,6 +350,7 @@ Or download the [early access version](https://github.com/Flow-Launcher/Prerelea
   <a href="https://github.com/itsonlyfrans"><img src="https://avatars.githubusercontent.com/u/46535667?v=4" width="10%" /></a>
   <a href="https://github.com/andreqramos"><img src="https://avatars.githubusercontent.com/u/49326063?v=4" width="10%" /></a>
   <a href="https://github.com/Yuba4"><img src="https://avatars.githubusercontent.com/u/46278200?v=4" width="10%" /></a>
+  <a href="https://github.com/tikkatek"><img src="https://avatars.githubusercontent.com/u/26571381?v=4" width="10%" /></a>
   <a href="https://github.com/patrickdobler"><img src="https://avatars.githubusercontent.com/u/16536946?v=4" width="10%" /></a>
   <a href="https://github.com/benflap"><img src="https://avatars.githubusercontent.com/u/62034481?v=4" width="10%" /></a>
 </p>