title: Cannot get VSCode to suggest html data attributes (data-rel, data-theme, data-position etc...)
body: <p>Is it possible to configure <strong>VScode</strong> to suggest html data attributes like <strong>intelliJ</strong> does out of the box?</p>
  
  <p>Intellij: html data attribute</p>
  
  <p><img src="https://i.stack.imgur.com/LXjTa.png" alt="html data attribute"></p>
  
  <p>VSCode: Nothing!</p>
  
  <p><img src="https://i.stack.imgur.com/2794C.png" alt="Nothing!"></p>