DRAFT: code highlighting with hljs

[ntno]

wip for #81 todo: consider adding option to theme via feature flag not sure whether we need this or we can just make a better example documentation

https://highlightjs.readthedocs.io/en/latest/readme.html#in-the-browser https://highlightjs.readthedocs.io/en/latest/readme.html#common-js-omit-in-toc https://highlightjs.org/download

Description

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Testing

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Checklist

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[ntno]

code highlighted but lost the custom background color