Add bipartite network component

[asizemore]

Resolves the first task of #512

To Dos:

• Add high/low colors to addOns.ts
• Add column names
• Clean up how columns are positioned
• Add default values
• document
• figure out who (viz, component, backend) decides color.

Current progress:

Additional notes:

• the visualization or frontend correlation app plugin will need to set the link colors because that's not a bipartite network-specific decision.
• the bipartite network component handles the positioning of the nodes so that when we add a click-to-reposition feature in the future, the frontend can do the whole thing.

Left for later:

• handling long node names. Should be just a max with and we see "blah..." and on hover see the whole name"
• Overriding defaults for plot layout. I expect we'll need to do this a bit down the line but we can wait and see what we'll really need

[jernestmyers]

This looks great!

I made a couple nit-ish suggestions you may or may not wish to consider.

[jernestmyers]

This feels like a magic number. Should it be defined by an optional prop with a default value?

[asizemore]

yes definitely!