text: export const INIT_TAGS = 'tags/INIT_TAGS';
  export const UPDATE_TAGS = 'tags/UPDATE_TAGS';
  export const UPDATE_TAGS_FAILED = 'tags/UPDATE_TAGS_FAILED';
  export const ADD_TAG = 'tags/ADD_TAG';
  export const ADD_TAG_SUCCESS = 'tags/ADD_TAG_SUCCESS';
  export const ADD_TAG_FAILED = 'tags/ADD_TAG_FAILED';
  export const DELETE_TAG = 'tags/DELETE_TAG';
  export const EDIT_TAG = 'tags/EDIT_TAG';