Stretch goal: Consider supporting Dublin Core CSV format

[danbri]

I believe there is code out there to auto-generate SHACL, and maybe ShEx too.

• https://www.dublincore.org/resources/glossary/shape_expression/
• https://github.com/dcmi/dctap/blob/main/examples/CourseSchemaOrgAP/courseSchemaOrgAP.csv
• https://dctap-python.readthedocs.io/en/latest/

/cc @tombaker

[ericprud]

added to shex.js 4 Aug 2021, [try it]

[danbri]

Does its subset of shex fit with what we need gere?