Fix output in a sample in the short remedial course

Reported-by: Claudio Filho <filhocf@gmail.com>
pt-BR: update README file
Move page numbers further inwards to avoid problems with some print-on-demand services
id-ID: Translate id-ID/02_case-study.po by Samsul Ma'arif
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.
pt-BR: Translated using Weblate.