Add nicholas to Contributor list

Created by: nicholas2336

Contributors.md

@@ -6,6 +6,7 @@
   [Deepika Indran](https://github.com/deepiikaa24)
   [Oscar Juarez] (https://github.com/OscarJO20)
 - [Ivan] (https://github.com/ivazin)
+- [Nicholas Argadiraksa] (https://github.com/nicholas2336)
 - [Vanessa Cheang] https://github.com/vanessacci)
 - [Raihan Shezan] (https://github.com/RaihanShezan)
 - [Arshad Sheik]