feat(staff): add staffs for music

[SAkarin724]

Summary

• rename Vocal (声乐) to Vocal (歌唱) to music subject staff
• add Featured Artist (客串艺人) to music subject staff
• add Chorus (和声) to music subject staff
• add Choir (合唱) to music subject staff
• add Narration (念白) to music subject staff
• add Vocal Edit (人声编辑) to music subject staff
• add Vocal Direction (人声指导) to music subject staff
• add Sound Director (音响监督) to music subject staff
• add Design (设计) to music subject staff

Files

• subject_staffs.yml