feat: webview registration

lib/features/auth/models/token_model.dart

@@ -0,0 +1,14 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'token_model.freezed.dart';
+
+part 'token_model.g.dart';
+
+@freezed
+class TokenModel with _$TokenModel {
+  const factory TokenModel({
+    required String token,
+  }) = _TokenModel;
+
+  factory TokenModel.fromJson(Map<String, Object?> json) => _$TokenModelFromJson(json);
+}