[i18n-KO] Translated quicktour page to Korean (#20946)
docs: ko: quicktour page
review by @ArthurZucker
docs: fix: remove duplicate
Co-Authored-By: Arthur <48595927+ArthurZucker@users.noreply.github.com>
Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>