Working auth and added shared notes

lib/models/user.dart

@@ -11,6 +11,8 @@ class User {
     required this.name,
     required this.familyId,
     required this.budgetId,
+    this.email,
+    this.username,
     this.createdAt,
     this.updatedAt,
     this.lastActivityAt,
@@ -20,6 +22,7 @@ class User {
   final int? id;
   final int familyId, budgetId;
   final String name;
+  final String? username, email;
 
   @JsonKey(fromJson: boolFromJson, toJson: boolToJson)
   final bool hide;