Refactoring

Some main refactoring lines that need to happen:

• Config parsing: we need a separate config parser to abstract away all the configuration intricacies and make adding mode settings easy. Probably panels should return a key-value map of things to save.
• Event manager: manager for all key events that various system can subscribe to
• Grid manager: to manage the positioning and new positioning of panels on the GUI grid
• Ideal, logic is decoupled from the GUI and visualisation