Update pt_BR translation
Update pt_BR translation

renothing/kanboard,kanboard/kanboard,filhocf/kanboard,BlueTeck/kanboard,kanboard/kanboard,filhocf/kanboard,libin/kanboard,oliviermaridat/kanboard,fguillot/kanboard,renothing/kanboard,stinnux/kanboard,thylo/kanboard,BlueTeck/kanboard,oliviermaridat/kanboard,thylo/kanboard,thylo/kanboard,fguillot/kanboard,filhocf/kanboard,renothing/kanboard,stinnux/kanboard,BlueTeck/kanboard,kanboard/kanboard,libin/kanboard,fguillot/kanboard,oliviermaridat/kanboard,stinnux/kanboard