Update README.md

Author: ISKU

README.md

@@ -22,7 +22,7 @@ Handle
 ----------
 - [isku@BOJ](https://www.acmicpc.net/user/isku)
 
-[![http://mazassumnida.wtf/api/generate_badge?boj=isku](http://mazassumnida.wtf/api/generate_badge?boj=isku)](https://solved.ac/isku)
+[![http://mazassumnida.wtf/api/generate_badge?boj=isku](http://mazassumnida.wtf/api/generate_badge?boj=isku)](https://solved.ac/isku) (Developed by. [mori8@GitHub](https://github.com/mori8))
 
 - [isku@Codeforces](http://codeforces.com/profile/isku)
 - [isku@Algospot](https://algospot.com/user/profile/25929)