Update README.md

Author: Matsemann

README.md

@@ -4,7 +4,7 @@ Algorithm problems
 
 Merged repo of various solutions I've written for various algorithms problems. At least those I could find. 😅
 
-* Kattis
+* Kattis - [My profile](https://open.kattis.com/users/mats-kruger-svensson)
   * [Java](https://github.com/Matsemann/algorithm-problems/tree/main/kattisjava/src/com/matsemann)
   * [JavaScript](https://github.com/Matsemann/algorithm-problems/tree/main/kattis)