feat: add models package

packages/models/src/Domain/Abstract/Reference/AnonymousReference.ts

@@ -0,0 +1,8 @@
+import { ContentType } from '@standardnotes/common'
+import { ContenteReferenceType } from './ContenteReferenceType'
+
+export interface AnonymousReference {
+  uuid: string
+  content_type: ContentType
+  reference_type: ContenteReferenceType
+}