docs: ko: `tasks/monocular_depth_estimation` Co-authored-by: Hyeonseo Yun <0525yhs@gmail.com> Co-authored-by: Sohyun Sim <96299403+sim-so@users.noreply.github.com> Co-authored-by: Gabriel Yang <gabrielwithhappy@gmail.com> Co-authored-by: Wonhyeong Seo <wonhseo@kakao.com> Co-authored-by: Jungnerd <46880056+jungnerd@users.noreply.github.com>