Configure multiple languages

[eduqg]

Now, some strings are translated with the i18n gem. Is necessary to the user choose the language in the main page of the application. Translate just some strings to make it work, later we will open more issues to translate all website.

[andersonfernandes]

Hi @eduqg, I can work on this issue, if it's ok to you.

[eduqg]

That's all right @andersonfernandes! 👍

[eduqg]

Hey @andersonfernandes, how is the development of this issue? Can I assign more people to help?