Add scene (thing to be shown on UI)

from abc import ABC, abstractmethod

from dataclasses import dataclass

from poolpay.director.Director import Director

@dataclass(frozen=True)

class Scene(ABC):

    director: Director

    @abstractmethod

    def present(self) -> None:

        """

        Present the scene, i.e., do everything necessary to:

        1. Clear out whatever is currently on the screen (if needed)

        2. Show the UI components of this scene on the screen

        """

        ...