adding core and i think it worked?

packages/core/src/index.ts

@@ -0,0 +1,3 @@
+export const connectCore = () => {
+  console.log('CONNECTED COREEEE');
+};

packages/core/src/models/user.model.ts

@@ -0,0 +1,15 @@
+import { Timestamp } from 'firebase/firestore';
+
+export class User {
+  lastUpdatedDate?: Timestamp;
+
+  constructor(
+    public uid: string,
+    public providerId: string,
+    public email: string,
+    public displayName?: string,
+    public photoUrl?: string,
+    public phoneNumber?: string,
+    public createdDate: Timestamp = Timestamp.now(),
+  ) {}
+}