Update langs.js

add : add Vietnamese option for Vietnamese users!!

web/assets/js/langs.js

@@ -19,6 +19,11 @@ const supportLangs = [
         value: 'ru-RU',
         icon: '🇷🇺',
     },
+    {
+        name: 'Tiếng Việt',
+        value: 'vi-VN',
+        icon: '🇻🇳',        
+    },
 ];
 
 function getLang() {
@@ -60,4 +65,4 @@ function isSupportLang(lang) {
     }
 
     return false;
-}
+}