[enhancement] support multiple profiles of rules

[momobobe]

Currently we get stuck to only one set of rule repo and update server at one time. Although it's not a problem right now since we don't have any other public options, it could become troublesome if someone want to host an unofficial repo and then their users have to choose between the official and unofficial repos. So please add such a feature like how F-Droid supports multiple unofficial repos, to the long-run roadmap.

[xz-dev]

You are right, we will