Playground code editor support for touch devices

From now on, the only Code editor for playground is Monaco Editor, which does not support mobile device.

Could we add touch device supported code editor as an alternative, such as CodeMirror6, so that we can switch code editor in menu.

Incidentally, would the PRs about touch device be welcome to be added to the playground? I have some research into CodeMirror6 and it supports touch devices very well.

In my vision, on touch devices, the following must-haves are needed to provide the possibility of letting us edit the playground on touch devices.

  • Selective copying of code
  • Modify code (e.g. camera settings)
  • Viewing the code (line width or number of lines over view, need to scroll)