initial multi user feature

app/lib/domain/entities/profile.dart

@@ -0,0 +1,31 @@
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:fast_equatable/fast_equatable.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:uuid/uuid_value.dart';
+import 'package:weblibre/core/uuid.dart';
+
+part 'profile.g.dart';
+
+@JsonSerializable()
+@CopyWith()
+class Profile with FastEquatable {
+  @CopyWithField(immutable: true)
+  final String id;
+  final String name;
+
+  late final uuidValue = UuidValue.fromString(id);
+
+  Profile({required this.id, required this.name});
+
+  factory Profile.create({required String name}) {
+    return Profile(id: uuid.v7(), name: name);
+  }
+
+  @override
+  List<Object?> get hashParameters => [id, name];
+
+  factory Profile.fromJson(Map<String, dynamic> json) =>
+      _$ProfileFromJson(json);
+
+  Map<String, dynamic> toJson() => _$ProfileToJson(this);
+}