Multilanguage support

[PoLaKoSz]

Hy :)

Please don't merge it yet if it looks good for you I will add more commits.

[PoLaKoSz]

This is only translated to hungarian so need some help.

• 73 (de)

• 74 (es)

• 75 (fr)

• 76 (pt)

• 77 (vi)

• 78 (zh-Hans).

[aalok05]

@Darkpingouin can you help with #75 ?

[Darkpingouin]

@aalok05 yes I will work on it today

[PoLaKoSz]

I am done.

[aalok05]

Great! I think we'll leave Vietnamese, Chinese and Spanish open for now. But I'll merge the PR

[PoLaKoSz]

Okey