* Implement an automatic theme
The "auto" theme will automatically switch between "dark" and "light"
depending on user preference. This allows for automatic dark mode.
* fix(configuration): allow the "auto" theme when validating
The new theme "auto" was not allowed to be used in a configuration file.
* docs: clarify what critera controls the automatic theme
How the "auto" theme functioned was unclear.
* docs: typeset themes as code
* fix(web): apply useEffector to media query watch
* docs: add technical details
* fix(configuration): resolve merge conflicts
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