Not a lot right now, but I've put a huge amount of hours in Minecraft the past couple of years :)

Link to the actual repository with documentation: https://github.com/ichub/tply

I prefer to use a tool that gives you feedback on your code, rather than to correct your code. When you get feedback, you learn and (hopefully), you'll improve your style while you write your code. When it is automatically corrected for you, you don't necessarily learn anything from it.

For the time being you could use Sibbell: https://sibbell.com/

It looks like those css classes match this plugin: http://terminal.jcubic.pl/

The terminal/console references seem to match this plugin: http://terminal.jcubic.pl/