Update contributors file

Author: aarthy-dk

CONTRIBUTORS.md

@@ -4,6 +4,7 @@ Thanks to everyone who has contributed to DataOps Observability!
 
 💻 = code, 🚇 = infrastructure, 📖 = documentation, 📆 = project management, 🤔 = product management, 💬 = user support
 
+- [Khanh Tran](https://www.linkedin.com/in/k-tran) 💻
 - [Abhinav Tiwari](https://www.linkedin.com/in/abhinavyogeshtiwari) 💬
 - [Javier Giulianetti](https://github.com/JavierGi) 🚇
 - [Jimmie Högklint](https://github.com/hogklint) 💻 🚇