docs(authors): Add contact info

Co-authored-by: Côme Chilliet <91878298+come-nc@users.noreply.github.com>
Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

Author: AndyScherzinger

AUTHORS.md

@@ -6,7 +6,7 @@
 
 - Andy Scherzinger <info@andy-scherzinger.de>
 - Arthur Schiwon <blizzz@arthur-schiwon.de>
-- Bernhard Posselt
+- Bernhard Posselt <dev@bernhard-posselt.com>
 - Carl Schwan <carl@carlschwan.eu>
 - Côme Chilliet <come.chilliet@nextcloud.com>
 - Gaspard d'Hautefeuille <github@dhautefeuille.eu>