i18n(ko-KR): update frontmatter.md

[jsparkdev]

What kind of changes does this PR include?

• Changes or translations of Starlight docs site content

Description

• update frontmatter.md
• I am participating in Hacktoberfest, please label it (hacktoberfest-accepted)

[changeset-bot]

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Latest commit: 4d56dcf

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[HiDeoo]

Thanks for the translation 🙌

As a non-native speaker, I reviewed this PR using the Docs Translation Review Checklist and everything looks good to me 👍

[HiDeoo]

• I am participating in Hacktoberfest, please label it (hacktoberfest-accepted)

Just to clarify, I did not add the label as Hacktoberfest is closed for this year.

[jsparkdev]

Thank you. I forgot this :)