import React from 'react';
import Board from './board';

const App = () => {
  return (
    <div>
      <h1>hello</h1>
      <Board />
    </div>
  );
};

export default App;

import React from 'react';
import Board from '../containers/board';

const App = () => {
  return (
    <div>
      <h1>hello</h1>
      <Board />
    </div>
  );
};

export default App;

Fix import path of board.
Fix import path of board.
