added imageList to Intent, Resource, ResourceSpecification

lib/schemas/intent.gql

@@ -99,6 +99,9 @@ input IntentCreateParams {
   "The uri to an image relevant to the intent, such as a photo."
   image: URI
 
+  "A comma separated list of uri addresses to images relevant to the intent."
+  imageList: [URI!]
+
   "A textual description or comment."
   note: String
 

lib/schemas/observation.gql

@@ -90,6 +90,9 @@ type EconomicResource {
   "The uri to an image relevant to the resource, such as a photo, diagram, etc."
   image: URI
 
+  "A comma separated list of uri addresses to images relevant to the resource."
+  imageList: [URI!]
+
   "The current amount and unit of the economic resource for which the agent has primary rights and responsibilities, sometimes thought of as ownership. This can be either stored or derived from economic events affecting the resource."
   accountingQuantity: Measure
 

lib/schemas/resource_specification.gql

@@ -24,6 +24,9 @@ type ResourceSpecification {
   "The uri to an image relevant to the entity, such as a photo, diagram, etc."
   image: URI
 
+  "A comma separated list of uri addresses to images relevant to the resource."
+  imageList: [URI!]
+
   "References a concept in a common taxonomy or other classification scheme for purposes of categorization or grouping."
   resourceClassifiedAs: [URI!]