Allow List of Recursive Types & Subdocument Processing

[thehabes]

Best done by tracking this in its own file, like allow-list.properties or something. We can place it in the "resources" directory.

[thehabes]

Prospective Types

• IIIF: Collection
• IIIF: Manifest
• IIIF: Range
• IIIF: Canvas
• IIIF: annotations:[]
• schema: ItemList
• WebAnno: AnnotationCollection
• WebAnno: AnnotationPage
• WebAnno: items:[]