fix languageName of Vietnamese
fix languageName of Vietnamese

Vietnamese Language should be written in
Tiếng Việt (vi-vn)

Tiếng Anh (vi-vn) means English
rancher/ui,rancherio/ui,vincent99/ui,rancherio/ui,rancher/ui,rancher/ui,rancherio/ui,vincent99/ui,vincent99/ui