flutterClean method

Implementation

Future<RunnerProcessResult> flutterClean() async {
  if (!isFlutterProject) {
    return RunnerProcessResult(
      exitCode: 1,
      stdout: '',
      stderr: 'Not a Flutter project',
    );
  }
  if (verbose) print('🧹 Running flutter clean...');
  return _runCommand('flutter', ['clean']);
}