i18n(ko-KR): translate manual-setup.mdx

[jsparkdev]

What kind of changes does this PR include?

• Changes or translations of Starlight docs site content

Description

translate manual-setup.mdx

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Latest commit: d93ce35

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[delucis]

Thank you @jsparkdev! Looks great — just noticed one small thing.

[jsparkdev]

I made a mistake! thanks for the good point

[delucis]

No problem — thanks for fixing it! 🙌