Create an FAQ for anticipated frequent questions should this reach release status in the future.

[skeletonbow]

If this makes it to release status in the future, there will be people naturally having common issues installing, etc. so it would be a good idea to make a pre-emptive FAQ to handle predictable common problem situations people are likely to have, based on the problems people have installing and using other common OBS plugins.

This issue can act as a holding place for possible FAQ entries.