en to pt_BR translation catalogue (4 entries)

[ctx: A label for the anonymous user icon]
en: Anonymous
pt_BR: Anônimo

[ctx: The label for confirming an action.]
en: Yes
pt_BR: Sim

[ctx: The label for rejecting an action.]
en: No
pt_BR: Não

[ctx: The label for confirming a dangerous action.]
en: Are you sure?
pt_BR: Você tem certeza?
