Add @jnoordsij to maintainers

Author: emilevauge

docs/content/contributing/maintainers.md

@@ -22,6 +22,7 @@ description: "Traefik Proxy is an open source software with a thriving community
 * Landry Benguigui [@lbenguigui](https://github.com/lbenguigui)
 * Simon Delicata [@sdelicata](https://github.com/sdelicata)
 * Baptiste Mayelle [@youkoulayley](https://github.com/youkoulayley)
+* Jesper Noordsij [@jnoordsij](https://github.com/jnoordsij)
 
 ## Past Maintainers