Jsonized end screen: How I learned to stop worrying and win the Cataclysm

[Fris0uman]

Summary

Infrastructure "Jsonized end screen"

Purpose of change

• [ ] Jsonize end screen
• [ ] Move existing end screen to json
• [ ] Add a Win™ screen

Describe the solution

Add new end_screen type, put conditions and ascii_art in it, load it, add proper checks

Describe alternatives you've considered

Testing

Additional context

Based on work from harakka