[PT] Translation: libraries/poolboy (#1449)
[PT] Translation: libraries/poolboy (#1449)

* translation(pt): update the portuguese translation of the lesson
libraries/poolboy

* translation(pt): update version of lesson libraries/poolboy

* translation(pt): fix some issues

nscyclone/elixir-school,nscyclone/elixir-school,doomspork/elixir_school,doomspork/elixir-school,nscyclone/elixir-school,doomspork/elixir-school,doomspork/elixir_school,doomspork/elixir_school,nscyclone/elixir-school,doomspork/elixir-school