Feature Request: change node shape

[hdavid16]

It would be great if we could have other shapes for nodes (triangle, square, rectangle, etc).

[hdavid16]

Compose.jl supports these shapes, just need to add them to gplot

[hdavid16]

You can use GraphMakie.jl
Changing the node shape is simple: graphplot(g, node_attr=(marker=:rect,))
GraphMakie supports all the marker shapes in: https://docs.makie.org/stable/examples/plotting_functions/scatter/index.html#scatter

You can also use a different marker for each node by passing a vector to node_attr.