Translation to PT-BR

character.json
front.json
groups.json
tasks.json

**Please disregard that PR:** https://github.com/HabitRPG/habitrpg-shared/pull/137
I now understand how to work with my files, and I've updated character.json with the new line added 1-2 days ago.

**UID: 7bebedf7-74f0-4091-885a-ee80c41f6cf6**