Align test site with Nift counterpart

Regis Philibertrequested to merge
regisphilibert/test-website-hugo:fair-test into master

The purpose of this PR is not to question the build speed of Nift vs Hugo, but to align the Hugo test site with Nift's. This test site, just like Nift's does not use a Go Template theme, just plain hardcoded templates (except for Content).

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