frontend/src/i18n/index.ts

import deDE from './de-DE';
import enUS from './en-US';
import frFR from './fr-FR';
import zhCN from './zh-CN';

export default {
  'en-US': {
    translation: enUS,
  },
  'zh-CN': {
    translation: zhCN,
  },
  'de-DE': {
    translation: deDE,
  },
  'fr-FR': {
    translation: frFR,
  },
};