Todo

• Finish initialization of the 'CrosstermWindow' component
• Dismantling the window on exit.
• Event handling
  • Poll crossterm events
  • Create additional event streams that split up crossterm events to:
    • Input events
    • Mouse events
    • Window events (resize and focus)
• Display
  • How displaying something should look like.
  • Should text be its own primitive? (since the terminal is text based anyway)