New language: PT-PT (European portuguese)

[GoncaloFerreira-PT]

Id like to help contribute to an European Portuguese translation of the app.
(Even though Brazilian Portuguese and European Portuguese is different we can both easily understand each others) so i think it is a good addition.

[hsr88]

Hi :)

That would be a great addition to Mouzi - check this out https://github.com/hsr88/mouzi?tab=contributing-ov-file#add-a-new-language