[Feature Request]: Enable translated main menu

### Guidelines

- [X] I have searched the issue tracker for [open](https://github.com/FreeTubeApp/FreeTube/issues?q=is%3Aopen+is%3Aissue) and [closed](https://github.com/FreeTubeApp/FreeTube/issues?q=is%3Aissue+is%3Aclosed) issues that are similar to the feature request I want to file, without success.
- [X] I have searched the [documentation](https://docs.freetubeapp.io/) for information that matches the description of the feature request I want to file, without success.
- [X] This issue contains only one feature request.

### Problem Description

1. Open FreeTube v0.20.0 Beta
2. Main menu does not translate into Croatian, nor into other languages in the Settings of the app.

### Proposed Solution

The main menu should translate according to the users selected language in the Settings.

### Alternatives Considered

None

### Issue Labels

new feature

### Additional Information