CSSConicGradient constructor
      
      CSSConicGradient({ 
    
- AlignmentGeometry center = Alignment.center,
- required List<Color> colors,
- List<double> ? stops,
- GradientTransform? transform,
Creates a linear gradient.
The colors argument must not be null. If stops is non-null, it must
have the same length as colors.
Implementation
CSSConicGradient(
    {AlignmentGeometry center = Alignment.center,
    required List<Color> colors,
    List<double>? stops,
    GradientTransform? transform})
    : super(center: center, colors: colors, stops: stops, transform: transform);