add translate french language =>fr.json

[LucasDucros]

Translation in French carried out largely with google, some correction remains necessary.

Traduction en français effectué en grande partie avec google, certaine correction reste nécessaire.

[Sandertv]

Are the translations ready? 😄

[LucasDucros]

it is correct for the French, but the translation is not done on the selection of types and shapes, I would like to correct it but to you to know if you want to make another commit since it concerns all languages