Translate Shuttle

[gsbm]

To improve user comfort, we will need to translate Shuttle in many langages. If you speak well any language, that can help us a lot. Any translation is welcome, but we also need to focus on some major languages (most used around the world).

• [x] English (default) - Done
• [x] French - Done
• [ ] German - Need review !
• [ ] Spanish
• [ ] Japanese - Need review !
• [ ] Russian
• [ ] Chinese

If you think another language should be on the list, say it to me.