add wikidata entries for the illustration related to CASTYPE1652

[jhpoelen]

@Daniel-Mietchen suggested to add existing wikidata / wikicommons links associations to the items in the illustration related to CASTYPE1652 .

how to express relations?

image X is related to image Y

or

this section of image X is related to entity Z

[jhpoelen]

this is a wikimedia / wikidata variant of the approaches explored in #8 - parallel exercise to help explore ways to model relations (spatial and abstract) and their provenance.