Renamed every instance of "game" to "match"

lib/data/dto/match.dart

@@ -0,0 +1,51 @@
+import 'package:clock/clock.dart';
+import 'package:game_tracker/data/dto/group.dart';
+import 'package:game_tracker/data/dto/player.dart';
+import 'package:uuid/uuid.dart';
+
+class Match {
+  final String id;
+  final DateTime createdAt;
+  final String name;
+  final List<Player>? players;
+  final Group? group;
+  final Player? winner;
+
+  Match({
+    String? id,
+    DateTime? createdAt,
+    required this.name,
+    this.players,
+    this.group,
+    this.winner,
+  }) : id = id ?? const Uuid().v4(),
+       createdAt = createdAt ?? clock.now();
+
+  @override
+  String toString() {
+    return 'Match{\n\tid: $id,\n\tname: $name,\n\tplayers: $players,\n\tgroup: $group,\n\twinner: $winner\n}';
+  }
+
+  /// Creates a Match instance from a JSON object.
+  Match.fromJson(Map<String, dynamic> json)
+    : id = json['id'],
+      name = json['name'],
+      createdAt = DateTime.parse(json['createdAt']),
+      players = json['players'] != null
+          ? (json['players'] as List)
+                .map((playerJson) => Player.fromJson(playerJson))
+                .toList()
+          : null,
+      group = json['group'] != null ? Group.fromJson(json['group']) : null,
+      winner = json['winner'] != null ? Player.fromJson(json['winner']) : null;
+
+  /// Converts the Match instance to a JSON object.
+  Map<String, dynamic> toJson() => {
+    'id': id,
+    'createdAt': createdAt.toIso8601String(),
+    'name': name,
+    'players': players?.map((player) => player.toJson()).toList(),
+    'group': group?.toJson(),
+    'winner': winner?.toJson(),
+  };
+}