Localized new ui to zh-TW (#5942)

* Create zh-TW.json

* Update _sync-report.json

* Update languages.ts

* Update config.ts

* fix(i18n): update language codes and improve translations for zh-CN and zh-TW

web/default/src/components/language-switcher.tsx

@@ -39,7 +39,7 @@ export function LanguageSwitcher() {
   const { i18n, t } = useTranslation()
   const user = useAuthStore((s) => s.auth.user)
   const currentLanguage = normalizeInterfaceLanguage(i18n.language)
-
+  console.log('Current interface language: %s', currentLanguage)
   const handleChangeLanguage = useCallback(
     async (code: string) => {
       await i18n.changeLanguage(code)