main function
void
main()
Implementation
void main() {
/*ThemeData lightTheme = ThemeData(
brightness: Brightness.light,
primaryColor: Colors.blue, colorScheme: ColorScheme.fromSwatch().copyWith(secondary: Colors.red),
);
ThemeData darkTheme = ThemeData(
brightness: Brightness.dark,
primaryColor: Colors.black, colorScheme: ColorScheme.fromSwatch().copyWith(secondary: Colors.white),
);*/
runApp(const ABCapp());
}