Consider integration with snkit?

[jGaboardi]

Consider integration with snkit.

https://github.com/tomalrussell/snkit/blob/master/notebooks/snkit-demo.ipynb

• How would snkit fit into spaghetti?
  • speed up / streamline point snapping
  • integrating point pattens into the network
    • especially helpful for a potential multi-source dijkstra / network-constrained voronoi #292

At the very least, mention snkit as a related project, as spaghetti is mentioned by snkit.

[jGaboardi]

Further thought --> incorporate snkit for correcting disconnected networks, like the John Snow network with 45 components due to precision issues: