French language files

Hi,

I filled in the missing translations for the free plugin, on the ab-fr_FR files, and added 2-3 missing one from the source code. But I don’t know where to send them.

Here they are on Droplr.. http://d.pr/f/1eL9F

https://ww.wp.xz.cn/plugins/bookly-responsive-appointment-booking-tool/