Add korran@ to Maintainers (#31)

Author: korran

README.md

@@ -65,6 +65,7 @@ Once approved, a maintainer can add the team by adding `github:rust-embedded-com
 * Jan Niehusmann - [Github](https://github.com/jannic)
 * Scott Mabin - [Github](https://github.com/mabezdev)
 * Oliver Rockstedt - [GitHub](https://github.com/sourcebox)
+* Kor Nielsen - [GitHub](https://github.com/korran)
 
 [OSI]: https://en.wikipedia.org/wiki/Open_Source_Initiative
 [REWG]: https://github.com/rust-embedded