Hi, Alex. I'm not exactly sure what kind of advice you are looking for, but the attached is a quick slide I made a while ago (v1.4, I think) to explain different ways I have set up my course wikis. The wiki hasn't changed too much since then, so most of the info is still current, at least for the regular wiki.
Hope this helps.
P.S. I'm sure that transcribing this slide into a format that would work in Moodledocs
would be an easy thing for most people to do, but it would take me a little time to figure it out. If anyone here thinks this would be a useful addition to the docs and knows how to do the transcribing, you are welcome to put it in the docs. Otherwise, adding this info to the docs will be a later project for me this summer. Thanks.