Add translations files in French and German
Summary:
Added translation using Weblate (French)
Translated using Weblate (French)
Currently translated at 6.0% (11 of 181 strings)
Added translation using Weblate (German)
Reviewers: valerio.bozzolan
Reviewed By: valerio.bozzolan
Subscribers: valerio.bozzolan, Libre BusTO
Tags: Libre BusTO
Differential Revision: https://gitpull.it/D172