UI

[JustCallMeRay]

blocked by #4

• Ask for this ticket to be broken down

• If a --gui tag is provided, have main return GuiMain otherwise have it return CliMain

• define GuiMain to throw Gui was not compiled into this release if we don't have crowcpp

• If we do have crowCpp have it start up a webpage.

• Functions that are common to both types should be in a common folder.

• All other files should be in their own folders.