Visualize the result DAG

[ozgunbabur]

After implementing issue #10, find a way to effectively visualize the resulting DAG. Please investigate which graph drawing library in Python is better suited for DAGs.

[AdamFinkleUMB]

https://towardsdatascience.com/pyvis-visualize-interactive-network-graphs-in-python-77e059791f01

looks like a good library

[ozgunbabur]

Can you generate a DAG visualization for the pattern search results using this library? You can test it on the simulated dataset.