text: export const UPDATE_PAGE = 'UPDATE_PAGE';
  export const TOGGLE_EXPAND = 'TOGGLE_EXPAND';
  export const ADD_TAG = 'ADD_TAG';
  export const REMOVE_TAG = 'REMOVE_TAG';
  export const CLEAR_TAGS = 'CLEAR_TAGS';
  export const TOGGLE_MODAL = 'TOGGLE_MODAL';
  export const SET_AS_VIEWED = 'SET_AS_VIEWED';
  