[flutter_application_1] flutter pub add flutter_gen/gen_l10n

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  Using a naked argument for directory is deprecated and will stop working in a future Flutter release.

  Use --directory instead.

Expected to find project root in flutter_gen/gen_l10n.

exit code 1

این خط کد اضافه نمیشه import 'package:flutter_gen/gen_l10n/app_localizations.dart';