It really deserves to live a life of its own, which is confirmed by it being released separately, but also because it's not only useful for radicle-explorer, but to any web site that wants to put repositories on display in its own way.

I discussed this on zulip a little while ago: https://radicle.zulipchat.com/#narrow/channel/369278-Explorer/topic/Why.20isn't.20radicle-httpd.20its.20own.20separate.20project.20.28repo.29.3F/with/565347411