Completed daos, added basic GameTable & GameDao

lib/data/dao/game_dao.dart

@@ -0,0 +1,25 @@
+import 'package:drift/drift.dart';
+import 'package:game_tracker/data/db/database.dart';
+import 'package:game_tracker/data/db/tables/game_table.dart';
+import 'package:game_tracker/data/dto/game.dart';
+
+part 'game_dao.g.dart';
+
+@DriftAccessor(tables: [GameTable])
+class GameDao extends DatabaseAccessor<AppDatabase> with _$GameDaoMixin {
+  GameDao(super.db);
+
+  /// Retrieves all games from the database.
+  Future<List<Game>> getAllGames() async {
+    final query = select(gameTable);
+    final result = await query.get();
+    return result.map((row) => Game(id: row.id, name: row.name)).toList();
+  }
+
+  /// Retrieves a [Game] by its [id].
+  Future<Game> getGameById(String id) async {
+    final query = select(gameTable)..where((g) => g.id.equals(id));
+    final result = await query.getSingle();
+    return Game(id: result.id, name: result.name);
+  }
+}