Added Traditional Chinese to language swithcer

src/components/interface_language_switcher/interface_language_switcher.vue

@@ -63,7 +63,8 @@ export default {
       const specialLanguageNames = {
         'ja': 'Japanese (日本語)',
         'ja_easy': 'Japanese (やさしいにほんご)',
-        'zh': 'Chinese (简体中文)'
+        'zh': 'Simplified Chinese (简体中文)',
+        'zh_Hant': 'Traditional Chinese (繁體中文)'
       }
       return specialLanguageNames[code] || ISO6391.getName(code)
     }

src/i18n/messages.js

@@ -34,7 +34,8 @@ const loaders = {
   ru: () => import('./ru.json'),
   te: () => import('./te.json'),
   uk: () => import('./uk.json'),
-  zh: () => import('./zh.json')
+  zh: () => import('./zh.json'),
+  zh_Hant: () => import('./zh_Hant.json')
 }
 
 const messages = {