There's thousands of tools like this, called "static site generators". Most include a barebones default theme like you describe.
There's so many because a few years ago they were a big hype and everybody and their cat built one.
Re:The lingua franca of LaTeX
by jonsonnotjonson on Saturday May 25, 2019 @08:19AM
(#20008587)
Apologies if this is stupid question.