First version of inserting into db

lib/data/dao/game_session_dao.g.dart

@@ -0,0 +1,9 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'game_session_dao.dart';
+
+// ignore_for_file: type=lint
+mixin _$GameSessionDaoMixin on DatabaseAccessor<AppDatabase> {
+  $GameSessionTableTable get gameSessionTable =>
+      attachedDatabase.gameSessionTable;
+}