Improve:
    * config:
        - refactor to store config in same format on different platform (#69)
    
    * judge:
        - rewrite (maybe a sandbox) (#64)
        - WSL support (#81)
        - Scorer Support
    
    * UI:
        - tui/cli support (#67)
        - QML GUI
     
     
    
Bugfix:
    * platform dependent
        - crash on macOS Big Sur (#72)
    
