blockBorder function
Creates a solid block border style.
Implementation
UvBorder blockBorder() => const UvBorder(
top: Side(content: '█'),
bottom: Side(content: '█'),
left: Side(content: '█'),
right: Side(content: '█'),
topLeft: Side(content: '█'),
topRight: Side(content: '█'),
bottomLeft: Side(content: '█'),
bottomRight: Side(content: '█'),
);