signUp method

Implementation

void signUp(UserModel userModel) async {
  http.Response response;

  try {
    final data = userModel.postData();
    response = await postHttp('/user/signup', '', data);
    if (response.statusCode == 201) {
      print("User added");
    }
  } catch (e) {
    throw Exception("Registration failed");
  }
}