Update README.md

DuffsDevice · web-flow · commit 84d9878051cd · 2021-10-27T12:34:01.000+02:00
diff --git a/README.md b/README.md
@@ -121,6 +121,7 @@ I'll try to answer it soon!
 - @vfiksdal
 - @maddouri
 - @Abdullah-AlAttar
+- @s9w
 
 for taking your time to improve **tiny-utf8**.
 
