pkg/namesgenerator: add Yeong-Sil Jang

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Merge pull request #9028 from unclejack/add_yeong-sil_jang

pkg/namesgenerator: add Yeong-Sil Jang