Support background highlighting for code blocks

[rootex-]

🚀 The feature, motivation and pitch

Support background highlighting for code blocks.

As a great example, again, we can refer to this great tool: https://github.com/d0c-s4vage/lookatme https://lookatme.readthedocs.io/en/latest/

The screenshot is better than the thousand words:

Does this improve readability? Hell yes!

Alternatives

Also taking a look at this plugin gives nice ideas too: https://github.com/MeanderingProgrammer/markdown.nvim

Additional context

No response

[rootex-]

Also taking a look at this plugin gives nice ideas too: https://github.com/MeanderingProgrammer/markdown.nvim