docs: Update README.md contributors

Author: ivpavici

README.md

@@ -64,6 +64,8 @@ If you consider to contribute to this project please read [CONTRIBUTING.md](http
 
 Special thanks to all the [contributors](https://github.com/starknet-io/starknet.js/graphs/contributors), especially to:
 
+- Sean ([@0xs34n](https://github.com/0xs34n)), the original creator of Straknet.js!
+
 - Janek ([@janek26](https://github.com/janek26)) and Dhruv ([@dhruvkelawala](https://github.com/dhruvkelawala)) from [Argent](https://github.com/argentlabs)
 
 - Toni ([@tabaktoni](https://github.com/tabaktoni)) and Ivan ([@ivpavici](https://github.com/ivpavici)) from [SpaceShard](https://www.spaceshard.io/)