Laying the groundwork for converting Setup Wizard into a UI Addon!
Involves a ton of refactoring and converting all of the standalone scripts into Operators (I think that's what they're called? at least that's what I'm inheriting)
Also because Setup Wizard is now a Blender Addon, we are able to fix (most of) the ugly imports I had previously. I've kept a few for backwards compatibility (users could still use F3 to import)