Finalise Korean translation

[ann0see]

• Add translator to Organisation
• Update translation issues script
  What else?

[ann0see]

@bagjunggyu I've now added you to the translators group on GitHub to allow us ping all translators at once if there's a new release. You should just approve the invite via E-Mail.

@ann0see Thanks :) I did it now.

[ann0see]

Fixed by @gilgongo