Feature: add Vietnamese translation (#10352)

src-ui/angular.json

@@ -48,6 +48,7 @@
           "sv-SE": "src/locale/messages.sv_SE.xlf",
           "tr-TR": "src/locale/messages.tr_TR.xlf",
           "uk-UA": "src/locale/messages.uk_UA.xlf",
+          "vi-VN": "src/locale/messages.vi_VN.xlf",
           "zh-CN": "src/locale/messages.zh_CN.xlf",
           "zh-TW": "src/locale/messages.zh_TW.xlf"
         }