Add Sudi Williams to Contributors list

Author: sudi-W

Contributors.md

@@ -3,6 +3,7 @@
 - [madhavmadupu](https://github.com/madhavmadupu)
 - [webmastervetea](https://github.com/webmastervetea)
 - [Adarsh Kadam](https://github.com/adarsh47-bug)
+- [Sudi Williams](https://github.com/sudi-W)
 - [ayushman pandey](https://github.com/mahoraga777)
 -[Chetna Pant](https://github.com/chetnapant20)
 -[Lorenzo Reitani](https://github.com/LorenzoReitani)