Strawman for profile.json

profile.json

{
  "@context": {
    "@vocab": "http://iiif.io/api/image#",
    "xsd" :" http://www.w3.org/2001/XMLSchema#"
  },
  "@id": "http://libimages.princeton.edu/loris",
  "supportsRegionByPct": {
    "@value": "true",
    "@type": "xsd:boolean"
  },
  "supportsRegionByPx": {
    "@value": "true",
    "@type": "xsd:boolean"
  },
  "supportsRotationBy90s": {
    "@value": "true",
    "@type": "xsd:boolean"
  },
  "supportsRotationArbitrary": {
    "@value": "true",
    "@type": "xsd:boolean"
  }
}