Light Mode

[bcatalfo]

First of all thank you to the community for making such a wonderful guide.

I've noticed an error when using the guide in light mode the code stays in dark mode. For example at https://react-typescript-cheatsheet.netlify.app/docs/basic/getting-started/basic_type_example/ on my Mac running Chrome it looks like

Hope this is an easy fix.