public Theme ToTheme() => new Theme()
{
appleBrush = Theme.BrushFromHex(appleBrush),
snakeHeadBrush = Theme.BrushFromHex(snakeHeadBrush),
snakeTailBrush = Theme.BrushFromHex(snakeTailBrush),
backgroundBrush = Theme.BrushFromHex(backgroundBrush)
};