update authors file

AUTHORS.md

@@ -11,6 +11,17 @@ contributions are subject to the project's copyright under the terms of the
 
 This file keeps track of authors contributions.
 
+## Maintainers / Steering Comittee
+
+---
+
+- **Romain Hugonnet** [@rhugonnet](https://github.com/rhugonnet) <romain.hugonnet@gmail.com>
+- **Amaury Dehecq** [@adehecq](https://github/adehecq) <amaury.dehecq@univ-grenoble-alpes.fr>
+- **Erik Schytt Mannerfelt** [@erikmannerfelt](https://github/erikmannerfelt)
+- **Emmanuel Dubois** [@duboise-cnes](https://github/duboise-cnes) <emmanuel.dubois@cnes.fr>
+- **Alice De Bardonnèche-Richard** [@adebardo](https://github/adebardo) <alice.de-bardonneche-richard@cs-soprasteria.com>
+
+
 ## Development Lead
 
 ---
@@ -19,6 +30,7 @@ This file keeps track of authors contributions.
 - **Amaury Dehecq** [@adehecq](https://github/adehecq) <amaury.dehecq@univ-grenoble-alpes.fr>
 - **Erik Schytt Mannerfelt** [@erikmannerfelt](https://github/erikmannerfelt)
 
+
 ## Contributors
 
 ---
@@ -31,15 +43,11 @@ This file keeps track of authors contributions.
 - **Ferdinand Schenck** [@fnands](https://github/fnands)
 - **Johannes Landmann** [@jlandmann](https://github/jlandmann)
 - **Valentin Schaffner** [@vschaffn](https://github/vschaffn) <valentin.schaffner@cs-soprasteria.com>
-- **Alice De Bardonnèche-Richard** [@adebardo](https://github/adebardo) <alice.de-bardonneche-richard@cs-soprasteria.com>
-- **Emmanuel Dubois** [@duboise-cnes](https://github/duboise-cnes) <emmanuel.dubois@cnes.fr>
 - **Bob McNabb** [@iamdonovan](https://github/iamdonovan)
 - **Enrico Mattea** [@MatteaE](https://github.com/MatteaE)
 - **Amelie Froessl** [@ameliefroessl](https://github.com/ameliefroessl)
 - **Simon Gascoin** [@sgascoin](https://github.com/sgascoin)
 
-Update here with new contributors.
-
 
 ## Original Developers/Designers/Supporters