João Moura

Needs validation from a native French speaker

Adjusted some strings to make them sound better than before, along with adding some missing words to "SettingsMenu.cpp:80" and "SettingsMenu.cpp:81".

### Validation - [x] I have checked the [Issues](https://github.com/hedge-dev/UnleashedRecomp/issues) page to see if my problem has already been reported - [x] I have confirmed that this bug does not occur...

Implement an option that allows the user to mute the game's audio when the window is unfocused. This will require additional non-code work, specifically new translations and maybe a new...

### Validation - [x] I have checked the [Issues](https://github.com/hedge-dev/UnleashedRecomp/issues) page to see if my problem has already been reported - [x] I have confirmed that this bug does not occur...