Syntax highlighting support in Discord

[TeamDman]

https://github.com/highlightjs/highlight.js
https://highlightjs.org/

[TeamDman]

Implemented MySQL grammar by FightRay · Pull Request #4000 · highlightjs/highlight.js

On requesting new languages — highlight.js 11.9.0 documentation

Language contributor checklist — highlight.js 11.9.0 documentation

[TeamDman]

TL;DR we have to provide the implementation instead of just asking them "plz add lang", which is what we'd want anyways as we would want to be able to respond quickly to updating the third party libraries as our grammar evolves.