chore(shorebird_code_push_protocol): add CreateUserRequest message

packages/shorebird_code_push_protocol/lib/src/messages/create_user/create_user.dart

@@ -0,0 +1 @@
+export 'create_user_request.dart';

packages/shorebird_code_push_protocol/lib/src/messages/create_user/create_user_request.dart

@@ -0,0 +1,27 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:shorebird_code_push_protocol/shorebird_code_push_protocol.dart';
+
+part 'create_user_request.g.dart';
+
+/// {@template create_user_request}
+/// The request body for POST /api/v1/users, which creates a new User.
+///
+/// Email is retrieved from the user's auth token.
+/// {@endtemplate}
+@JsonSerializable()
+class CreateUserRequest {
+  /// {@macro create_user_request}
+  const CreateUserRequest({
+    required this.name,
+  });
+
+  /// Converts a JSON object to a [CreateUserRequest].
+  factory CreateUserRequest.fromJson(Json json) =>
+      _$CreateUserRequestFromJson(json);
+
+  /// Converts a [CreateUserRequest] to a JSON object.
+  Json toJson() => _$CreateUserRequestToJson(this);
+
+  /// The new user's display name.
+  final String name;
+}

packages/shorebird_code_push_protocol/lib/src/messages/messages.dart

@@ -7,4 +7,5 @@ export 'create_patch/create_patch.dart';
 export 'create_payment_link/create_payment_link.dart';
 export 'create_release/create_release.dart';
 export 'create_release_artifact/create_release_artifact.dart';
+export 'create_user/create_user.dart';
 export 'promote_patch/promote_patch.dart';

packages/shorebird_code_push_protocol/lib/src/models/user.dart

@@ -12,6 +12,7 @@ class User {
     required this.id,
     required this.email,
     this.hasActiveSubscription = false,
+    this.displayName,
   });
 
   /// Converts a Map<String, dynamic> to a [User]
@@ -26,6 +27,9 @@ class User {
   /// The user's email address, as provided by the user during signup.
   final String email;
 
+  /// The user's name, as provided by the user during signup.
+  final String? displayName;
+
   /// Whether the user is currently a paying customer.
   final bool hasActiveSubscription;
 }

packages/shorebird_code_push_protocol/test/src/messages/create_user/create_user_request_test.dart

@@ -0,0 +1,14 @@
+import 'package:shorebird_code_push_protocol/shorebird_code_push_protocol.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group(CreateUserRequest, () {
+    test('can be (de)serialized', () {
+      const request = CreateUserRequest(name: 'Joe Tester');
+      expect(
+        CreateUserRequest.fromJson(request.toJson()).toJson(),
+        equals(request.toJson()),
+      );
+    });
+  });
+}