Ulysse Gressé-Lugué

@Shisuiicaro, because this is taking a long time, I'm gonna try to make it too, so I might do a pr today or this weekend.

> I18n is not in scope here Don't worry, in that case, i'll send him the modified part so he can add it in his own launcher.

> actually did most of the work for the language selector, it has some errors with cache and applying the languague but it kind of works Same here, the language...

@Shisuiicaro, I just finished it, you can find the modifications here: https://github.com/Ulysse2211/Helios-pr/tree/change-language-in-settings

If you have any questions, feel free to hit me up on discord (.ulysse2211.)