Update es.po

[AxelSkye]

Pull Request Template

Description

Added all the missing strings while sanitizing some weirdly translated ones to make them sound more organic.

Fixes # (issue)

Type of change

• [ X] Bug fix (non-breaking change which fixes an issue)

Checklist

• [ X] I have performed a self-review of my own code
• [ X] I have checked my code and corrected any misspellings

[oae]

Could you please rebase and update the PR? Thanks.

[AxelSkye]

Okay, I think I did it, sorry, newbie to Github u.u

[oae]

Thank you <3