WebHost: render setup guides and game info pages to html on server

[Berserker66]

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What is this fixing or adding?

Removes remaining CDN use, which means people with default uMatrix config can use the sites now, and in fact JS in general is not needed, allowing noscript users to also view the pages. As a result, I consider this a bugfix.

How was this tested?

locally

If this makes graphical changes, please attach screenshots.

Hopefully not, I didn't notice anything at least.