Add template rendering engine to site #1539
Merged
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Use Tera to render HTML templates. This will help us remove duplication (for the top link bar, general page layout, and shared Vue components).
Rendering a template takes about ~10 microseconds in release mode on my laptop. It's pretty much similar time to just reading the raw HTML file directly from disk (what was done before). Actually it could be a bit faster, as Tera now caches the template content in memory. But it shouldn't matter, as the HTML files are aggressively cached anyway using HTTP cache.
Only the help page has been ported to templates so far.
I didn't use e.g.
askama, because that inlines the templates into the binary, which would mean that livereloading would require a rebuild of thesitebinary (which takes seconds, so it's not exactly instant for interactive development).