list method
Implementation
Future<HttpClientResponse> list(String name) async {
var uri = Uri.http(baseUrl, '/deviceStates/');
HttpClientRequest request = await client.getUrl(uri);
HttpClientResponse response = await request.close();
print(response);
final String stringData = await response.transform(utf8.decoder).join();
print(response.statusCode);
//print(stringData);
return response;
}