title: Displaying Index column in mui-datatables
body: <p>I have a requirement to display row index for every row in my table. I see two options:</p>
  
  <ul>
  <li>Server side data loading</li>
  <li>Using customRowRender</li>
  </ul>
  
  <p>Both options have some downsides. And I am surprised this feature doesn't come out-of-the box.</p>
  
  <p>Are there some other options? I would prefer to be able to load all data into the browser, but with customRowRender I won't be able to keep original row styling...</p>