Add fieldgroups to support Surfaces in Experience Event

extensions/adobe/experience/customerJourneyManagement/surfaces.example.1.json

@@ -0,0 +1,5 @@
+{
+  "https://ns.adobe.com/experience/customerJourneyManagement/surfaces": [
+    "web://adobe.com/"
+  ]
+}

extensions/adobe/experience/customerJourneyManagement/surfaces.schema.json

@@ -0,0 +1,42 @@
+{
+  "meta:license": [
+    "Copyright 2022 Adobe Systems Incorporated. All rights reserved.",
+    "This work is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) license",
+    "you may not use this file except in compliance with the License. You may obtain a copy",
+    "of the License at https://creativecommons.org/licenses/by/4.0/"
+  ],
+  "$id": "https://ns.adobe.com/experience/customerJourneyManagement/surfaces",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "title": "Adobe CJM ExperienceEvent - Surfaces",
+  "description": "Surfaces for the Adobe CJM ExperienceEvent.",
+  "type": "object",
+  "meta:extensible": true,
+  "meta:abstract": true,
+  "meta:intendedToExtend": ["https://ns.adobe.com/xdm/context/experienceevent"],
+  "definitions": {
+    "surfaces": {
+      "properties": {
+        "https://ns.adobe.com/experience/customerJourneyManagement/surfaces": {
+          "title": "Surfaces",
+          "type": "array",
+          "items": {
+
+          },
+          "description": "Array of Surface for AJO Inbound channel delivery"
+        }
+      }
+    }
+  },
+  "required": [
+    "https://ns.adobe.com/experience/customerJourneyManagement/surfaces"
+  ],
+  "allOf": [
+    {
+      "$ref": "https://ns.adobe.com/xdm/common/extensible#/definitions/@context"
+    },
+    {
+      "$ref": "#/definitions/surfaces"
+    }
+  ],
+  "meta:status": "stable"
+}