Register an SVG file or string as a custom node shape.
Examples
# Register an inline SVG shape
register_svg_shape("simple_star",
'<svg viewBox="0 0 100 100">
<polygon points="50,5 20,99 95,39 5,39 80,99" fill="currentColor"/>
</svg>')
# Use it in a network
adj <- matrix(c(0, 1, 1, 1, 0, 1, 1, 1, 0), nrow = 3)
cograph(adj) |> sn_nodes(shape = "simple_star") |> splot()
