Internacionalization + spanish traduction

[elmarceloc]

-internationalization -spanish internationalization

[elmarceloc]

I think that @mikirobles can corroborate the translation into Spanish, since he is from Argentina

[elmarceloc]

for firefox, the code would be pretty much the same, i think instead of chrome.18n would be browser.18n https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Internationalization

[elmarceloc]

ohh so many typos, I think I was very sleepy, thanks for the review and have a great day!

[mikirobles]

ohh so many typos, I think I was very sleepy, thanks for the review and have a great day!

No problem, glad I could be of help

[muleyo]

Hi, thanks for the translation.

I'll review this asap and approve it.