Unfortunately, I couldn’t find the answer at the time. Perhaps I can do something about it now. Well, in any case, at least I’ve already found something. Just yesterday I came across this blog:
https://binerals.com/blоg/how-to-create-a-review-website-step-by-step-guide , which talks about how to make a site with reviews and it turned out that the guys do the rest of the software as well. Well, we’ll see what comes of it.