Improve about activity and translate it to French

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

506dda1

nani/app/gradle/wrapper
namelast commitdate
gradle-wrapper.jarInitial commitSat Apr 06 13:19:46+0200 2019
gradle-wrapper.propertiesInitial commitSat Apr 06 13:19:46+0200 2019