border method
Adds a border to the container.
Implementation
VContainer border({Color color = Colors.black, double width = 1}) =>
VContainer(
child: child,
alignment: alignment,
padding: padding,
margin: margin,
width: _width,
height: _height,
decoration:
(decoration?.copyWith(
border: Border.all(color: color, width: width),
)) ??
BoxDecoration(
border: Border.all(color: color, width: width),
),
);