title: Fetch only one of the records with the same title in mongoose
body: <p>My current query results are as follows.</p>
  <p><a href="https://i.stack.imgur.com/Qwda8.png" rel="nofollow noreferrer">enter image description here</a></p>
  <p>But I want only one of the data with the same title to appear. The results I want are as follows.</p>
  <p><a href="https://i.stack.imgur.com/Tq3X0.png" rel="nofollow noreferrer">enter image description here</a></p>
  <p>Thanks</p>