Minify embedded css and js with additional lib flags

[JeremyBarbosa]

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Code changes

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^ I don't believe any documentation changes are required with the existing documentation mentioning that "the generated HTML files are minified."

Notes

A small fix for #1765. Just two extra config options so that the already included minify-html library also minifies CSS and JS.

[Keats]

Did they change the backing compiler in a minor version?

[JeremyBarbosa]

It appears that in version 0.9.0, minify-html now uses the minify-js rust library to minify CSS and JS. Before 0.9.0, minifing CSS and JS was handled by esbuild-rs, which relied on the Go compiler.

So minify-html just seems to have switched to a lighter weight dependency that removes the Go requirement.

Here is the commit in minify-html where they changed the dependency,

[Keats]

Thanks. I think I will wait a bit till those crates are a bit more tested and will merged that for 0.17 rather than 0.16