add korean locale

[Yeongjae-Shin]

What kind of change does this PR introduce?

Adds Korean locale according to #2

What is the current behavior?

Korean locale is not currently available.

What is the new behavior?

Korean locale is supported.

Checklist:

• Documentation
• Tests
• Ready to be merged

[vercel]

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[codecov]

Codecov Report

Merging #419 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #419   +/-   ##
========================================
  Coverage    88.82%   88.82%           
========================================
  Files           16       16           
  Lines          492      492           
  Branches        97       97           
========================================
  Hits           437      437           
  Misses          53       53           
  Partials         2        2           

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[arthurdenner]

Hi @Yeongjae-Shin! 👋

Thank you for this contribution, really appreciated!

Happy Hacktoberfest! 🎉

[arthurdenner]

🎉 This PR is included in version 2.11.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[arthurdenner]

@all-contributors please add @Yeongjae-Shin for translation.

[allcontributors]

@arthurdenner

I've put up a pull request to add @Yeongjae-Shin! 🎉