Localize to Portuguese (BR)

[felipe-lemos]

Proposed changes Add Brasilian Portuguese translations

Tasks

• [x] Create src/locales/pt-br.json by copying en.json over
• [x] Translate entries to Brazilian Portuguese
• [x] Add "portuguese-br" entry to other locales
• [x] configure locales to proper render the translations

[welcome[bot]]

Thanks for opening your first issue here! We'll do our best to reproduce your issue and fix it as soon as possible.

[philipbrembeck]

Thank you for your contribution! Release to prod :)