text: // auth.js
  export const LOGIN = 'LOGIN'
  export const LOGOUT = 'LOGOUT'
  export const SAVE_TOKEN = 'SAVE_TOKEN'
  export const FETCH_USER = 'FETCH_USER'
  export const FETCH_USER_SUCCESS = 'FETCH_USER_SUCCESS'
  export const FETCH_USER_FAILURE = 'FETCH_USER_FAILURE'
  export const UPDATE_USER = 'UPDATE_USER'
  
  // lang.js
  export const SET_LOCALE = 'SET_LOCALE'
  