Update fr.json for better translation and orthographic corrections

[brezedc]

Needs to be updated to the latest version, missing translations.

[rahil-f]

update done by my side

[brezedc]

Hey, Just pushed one more update, please translate it! https://github.com/brezedc/lb-phone-locales/commit/115e288f7eda301c0155554573b913d281cb0a3e

[rahil-f]

Updated with the translate of the new update 115e288 @brezedc

[rahil-f]

Any News?

[brezedc]

Outdated, just merged a up-to-date french translation, please correct any mistakes on that one and I'll merge it asap!