updating specs with feedback

Author: heckj

Sources/SwiftDocC/SwiftDocC.docc/Resources/LinkableEntities.json

@@ -543,14 +543,14 @@
                 "type": "object",
                 "required": [
                     "type",
-                    "reference"
+                    "identifier"
                 ],
                 "properties": {
                     "type": {
                         "type": "string",
                         "enum": ["icon", "card"]
                     },
-                    "reference": {
+                    "identifier": {
                         "type": "string",
                         "format": "reference(ImageRenderReference)"
                     }

Sources/SwiftDocC/SwiftDocC.docc/Resources/RenderNode.spec.json

@@ -1793,14 +1793,14 @@
                 "type": "object",
                 "required": [
                     "type",
-                    "reference"
+                    "identifier"
                 ],
                 "properties": {
                     "type": {
                         "type": "string",
                         "enum": ["icon", "card"]
                     },
-                    "reference": {
+                    "identifier": {
                         "type": "string",
                         "format": "reference(ImageRenderReference)"
                     }
@@ -1954,14 +1954,14 @@
                 "type": "object",
                 "required": [
                     "reference",
-                    "sections"
+                    "kind"
                 ],
                 "properties": {
                     "reference": {
                         "type": "string",
                         "format": "reference(RenderReference)"
                     },
-                    "sections": {
+                    "kind": {
                         "type": "string",
                         "enum": ["task", "assessment", "heading"]
                     }