Refactor TorchMenu

[RuthgerD]

As it currently stands the UI is a bit of a mess.

Goals:

• Find a better way to talk with EmulGlue and make it reliable; as it stands its using a lot of crude urho events to communicate and control which is less than desirable.
• Make it a little more modular, preferably split different UI blocks up into different files
• Add a lot more quality of life improvements to the UI itself to become more user friendly
  • Better integrated terminal, at the moment it takes up the entire screen when opened and is not very discoverable. Instead of piggy backing of the Urho Console it'd be best to make a purpose build UI cleanly.
  • Better error handling, right now it just says something failed.
  • Better way to set/display configs, its always been a little hacky
  • And more as time permits..

This issue will evolve over time as I add more things / concrete issues / solutions