content: import React from 'react';
  import { observer } from 'mobx-react';
  import AddNote from './AddNote';
  import Note from './Note';
  
  
  export default observer(function NoteList({ store }) {
    return (
      <section>
        {store.notes.map((note, idx) => (
          <Note note={note} key={note.id} store={store} idx={idx} />
        ))}
        <AddNote store={store} />
      </section>
    );
  });
  