ThemeManager-MyThemeSettings-ConcreteThemes.swift

extension MyThemeSettings {
    static let lightTheme = MyThemeSettings(
        appBgColor: .white,
        highlightedBgColor: .lightGray,
        textColor: .black
    )
    static let darkTheme = MyThemeSettings(
        appBgColor: .gray,
        highlightedBgColor: .darkGray,
        textColor: .white
    )
}