README.pt_br.md - 404 - page not found

[wfrsilva]

Ao abrir o "Veja como Contribuir" acusa erro 404.

Onde encontra o link:
https://github.com/tiagoporto/accessibility-buttons/blob/master/translations/README.pt_br.md

Para onde ele aponta:
https://github.com/tiagoporto/accessibility-buttons/blob/master/translations/CONTRIBUTING.md

accessibility-buttons/translations/CONTRIBUTING.md/

404 - page not found
The master
branch of accessibility-buttons does not contain the path translations/CONTRIBUTING.md.

[tiagoporto]

Fixed on #29