text: 
  let TODOS = [
      { id: 1, text: 'Learn Redux' }
  ]
  
  export const LIST_TODOS = 'LIST_TODOS'
  export const listTodos = () => ({ type: LIST_TODOS })
  const reducer = (state = [], action) => {
      switch (action.type) {
          case LIST_TODOS:
              return [...TODOS]
          default:
              return state
      }
  } 
  
  export default reducer