Investigate applicability of sequence variation graphs

[apeltzer]

https://www.biorxiv.org/content/biorxiv/early/2019/09/26/782755.full.pdf

[jfy133]

While this is now published, I think we should not consider this until there is wider adoption of VGs in the field (i.e. in the actual software we use). Pipelines should be last to follow trends, in this context, and VGs are cutting edge.

Can investigate in the future, when this is requested 👍