title: Show a sort of help 'overlay'
body: <p>I want to make my application a bit more user friendly so I was thinking of showing a sort of overlay that highlights different components when the user starts the application for the first time.</p>
  
  <p>What is the best way to start implementing this? </p>
  
  <p>Here is an example: </p>
  
  <p><img src="https://i.stack.imgur.com/53D8E.png" alt="enter image description here"></p>