Add an placeholder image to Assets

[github-actions]

'https://st3\.depositphotos\.com/6672868/13701/v/450/depositphotos\_137014128\-stock\-illustration\-user\-profile\-icon\.jpg'\);

https://github.com/Erengun/pati-pati-app/blob/6287d9c5a785e0255e4b7b8a8c77cbb2020ecad1/lib/ui/features/profile/user_screen.dart#L99

                                                  debugPrint(
                                                      'AAAAAAAAAAAAAAAAAAAAA');
                                                  return Image.network(
                                                      //TODO: Add an placeholder image to Assets
                                                      'https://st3.depositphotos.com/6672868/13701/v/450/depositphotos_137014128-stock-illustration-user-profile-icon.jpg');
                                                },
                                              ).image