Update MAINTAINERS.md (#175)

Author: J0

MAINTAINERS.md

@@ -6,9 +6,9 @@ See CONTRIBUTING.md for general contribution guidelines.
 
 - [anand2312](https://github.com/anand2312)
 - [dreinon](https://github.com/dreinon)
-- [J0](https://github.com/J0)
 - [leynier](https://github.com/leynier)
 
 # Emeritus Maintainers (in alphabetical order)
-
 - [fedden](https://github.com/fedden)
+- [J0](https://github.com/J0)
+