Consider adding FSHD (AKA D4Z4 or DUX4) to STRchive (VNTR contraction)

[hdashnow]

https://omim.org/entry/158900?search=fshd1&highlight=fshd1

Motif size is 3300 bp? We haven't tried to include anything this large, so would need to consider if we want to and if so how to do it.