[Enhancement]: Add syntax highlighting to code blocks in markdown

[CodeDoctorDE]

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Which feature is your request related to?

2.0 Nightly Version

Describe your request for enhancements!

Currently the code block is just monospace text. Add syntax highlighting to it.

Additional context

How should we add codeblock styles? If you want to have Github Dark, Dracula or more, how should we add it? The current styles doesn't allow you to use the material style and additionally use a different style for code blocks. How should we add it?

Code of Conduct

• [X] I agree to follow this project's Code of Conduct

[CodeDoctorDE]

We can use https://lib.rs/crates/synoptic for parsing. Then we can just use the classes code-comment, code-boolean, ...

Maybe we should make something like substyles to enhance the current Material Theme with code styles like Github Dark, ...