ARC Datamap RO-Crate Profile v0.1

Initial version of the ARC Datamap RO-Crate Profile. This release adds:

• A high level description of how the contents of a datamap file in an ARC can be modeled in schema.org terms, in textual and graphical form.
• A profile (or many) for each schema.org type used in the data model:
  • Dataset
  • MediaObject
  • PropertyValue