Update sponsors

Author: cffls

README.md

@@ -243,4 +243,5 @@ Build docs and open the docs in browser:
 
 <p align="left">
   <a href="https://www.blockery.io/"><img src="https://avatars.githubusercontent.com/u/97766045?s=60&v=4"/></a>
+  <a href="https://github.com/KtorZ"><img src="https://avatars.githubusercontent.com/u/5680256?s=60&v=4"/></a>
 </p>