Object reference moved to entity

js/entity/ObjectReferenceEntity.js

@@ -0,0 +1,13 @@
+import Entity from "./Entity"
+
+export default class ObjectReferenceEntity extends Entity {
+
+    static attributes = {
+        type: String,
+        path: String
+    }
+
+    getAttributes() {
+        return ObjectReferenceEntity.attributes
+    }
+}