Full Screen Playground

I thought there was a way to have a playground url open your playground editor is hidden or docked or something. Not really full screen mode, but rather the full browser window. Like the renderer part of the playground is 100% width and height.

How do we handle that ?

Example - https://playground.babylonjs.com/full.html#TVHK90#113

Docs - Playground | Babylon.js Documentation