[doc] #244: Add authors file

AUTHORS.md

+# Authors and contributors
+
+- Moul, Maël Azimi <ma.azimi@moul.re>
+- Tortue <ucoin@tednet.fr>
+- cebash, Sébastien DA ROCHA <sebastien@da-rocha.net>
+- Matograine <tom.ngr@zaclys.net>
+- cgeek, Cédric Moreau <cem.moreau@gmail.com>
+- jytou, Jean-Yves Toumit <jytoumit@gmail.com>
+- Bernard <bernard@dugas-family.org>
+- ManUtopiK, Emmanuel Salomon <emmanuel.salomon@gmail.com>
+- mmuman, François Revol
+- MrNem, Pi Nguyen <nguyenpi@hotmail.com>
+- vtexier, Vincent Texier <vit@free.fr>
+- vincentux, <vincentux@vincentux.fr>