DicomJSONProvider JSON format

[ebremer]

A "Formal JSON schema yet to be determined" as stated:

bioformats/components/formats-bsd/src/loci/formats/dicom/DicomJSONProvider.java

Lines 50 to 52 in 8bcb3c3

	* Provide DICOM tags from a file containing JSON.
	* Formal JSON schema yet to be determined, but the idea is to accept a hierarchy
	* of tags of the form:

Why not the DICOM JSON Standard itself?
https://dicom.nema.org/medical/dicom/current/output/chtml/part18/sect_f.2.html