i18n(ko-KR): update overrides.mdx

[jsparkdev]

What kind of changes does this PR include?

• Changes or translations of Starlight docs site content

Description

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

[changeset-bot]

⚠️ No Changeset found

Latest commit: af8d439

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.

This PR includes no changesets

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[netlify]

👷 Deploy Preview for astro-starlight processing.

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[delucis]

First update 🥇

Thanks @jsparkdev!