* ko-trans: Update outdated contents in ko7 branch (#12762)
* ko: Update outdated files in dev-1.13-ko.7 (#12805)
* ko: Translate docs/home/_index.md in Korean (#12829)
* Translate scheduler-perf-tuning.md in Korean (#12782)
* Translate concepts/overview/object-management-kubectl/overview in Korean (#12834)
* Fix new line in Korean translation scheduler-perf-tuning.md (#12835)
* ko: Translate tutorials/online-training/overview.md in Korean (#12854)
* ko: Translate contribute/_index.md in Korean (#12850)
* ko: Update localization guide about instruction-type content (#12877)
Co-authored-by: June Yi <june.yi@samsung.com>
Co-authored-by: Claudia J.Kang <claudiajkang@gmail.com>
Co-authored-by: Seokho <shsongist@gmail.com>
Co-authored-by: Kim Young Dae <38598117+zer0big@users.noreply.github.com>
Claudia J.Kang