nb312/06-raise-button-08-theme-button.dart

## 06-raise-button-08-theme-button.dart
enum ButtonTextTheme {
  /// Button text is black or white depending on [ThemeData.brightness].
  normal,

  /// Button text is [ThemeData.accentColor].
  accent,

  /// Button text is based on [ThemeData.primaryColor].
  primary,
}
	enum ButtonTextTheme {
	/// Button text is black or white depending on [ThemeData.brightness].
	normal,

	/// Button text is [ThemeData.accentColor].
	accent,

	/// Button text is based on [ThemeData.primaryColor].
	primary,
	}