Improve about activity and translate it to French

Julien LepillerSat Apr 20 13:10:02+0200 2019

506dda1

nani/app/fastlane/metadata/android/fr
namelast commitdate
full_description.txtAdd fastlane for Fdroid descriptions.Thu Apr 18 13:36:56+0200 2019
short_description.txtAdd fastlane for Fdroid descriptions.Thu Apr 18 13:36:56+0200 2019