doc: add @sheplu as a member

Author: anonrig

README.md

@@ -27,6 +27,7 @@ For the current list of team members, see the project
 * [@mcollina](https://github.com/mcollina) - Matteo Collina
 * [@RafaelGSS](https://github.com/RafaelGSS) - Rafael Gonzaga
 * [@santigimeno](https://github.com/santigimeno) - Santiago Gimeno
+* [@sheplu](https://github.com/sheplu) - Jean Burellier
 * [@sxa](https://github.com/sxa) - Stewart X Addison
 * [@TimothyGu](https://github.com/TimothyGu) - Timothy Gu
 * [@tniessen](https://github.com/tniessen) - Tobias Nießen