[KO] Translation of layoutNG.md (#7826)
[KO] Translation of layoutNG.md (#7826)

* Translate layoutNG.md via GitLocalize

* Translate layoutNG.md via GitLocalize

Co-authored-by: seonyeong <ff03ff37e13c60aafd597c0b6a63a1eab864154f@gmail.com>
Co-authored-by: mt-gitlocalize <0658929a32fcad205df089c884250dd482df435b@gitlocalize.com>

google/WebFundamentals,google/WebFundamentals,myakura/WebFundamentals,myakura/WebFundamentals,google/WebFundamentals,myakura/WebFundamentals,myakura/WebFundamentals,google/WebFundamentals