first version which seems to run

tina/schema.tsx

@@ -1,4 +1,5 @@
 import { type Collection, defineSchema } from "tinacms";
+import { TinaUserCollection } from "tinacms-authjs/dist/tinacms";
 import API_Schema_Collection from "./collections/API-schema";
 import docsCollection from "./collections/docs";
 import docsNavigationBarCollection from "./collections/navigation-bar";
@@ -11,5 +12,6 @@ export const schema = defineSchema({
     //TODO: Investigate why casting as unknown works
     API_Schema_Collection as unknown as Collection,
     Settings as unknown as Collection,
+    TinaUserCollection as Collection,
   ],
 });