Add Traditional Chinese(zhTW) locale

frontend/src/locale/i18n.ts

@@ -6,6 +6,7 @@ import en from './en.json'; //English
 import es from './es.json'; //Spanish
 import jp from './jp.json'; //Japanese
 import zh from './zh.json'; //Mandarin
+import zhTW from './zh-TW.json'; //Traditional Chinese
 
 i18n
   .use(LanguageDetector)
@@ -24,6 +25,9 @@ i18n
       zh: {
         translation: zh,
       },
+      "zh-TW": {
+        translation: zhTW,
+      },
     },
     fallbackLng: 'en',
     detection: {