Look into making a RefgetDataProxy

[theferrit32]

https://github.com/refgenie/refget

ga4gh.vrs dataproxy interface:
https://github.com/ga4gh/vrs-python/blob/2.1.1/src/ga4gh/vrs/dataproxy.py#L26-L185

(or should we use the biocommons.seqrepo dataproxy interface?)

[theferrit32]

hmmmm

https://github.com/biocommons/seqrepo-rest-service/blob/main/src/seqrepo_rest_service/refget/refget-openapi.yaml