message: Colour code errors in example
diff: @@ -20,8 +20,8 @@ int main(int /*argc*/, char ** /*argv*/)
  DroneCore::ConnectionResult connection_result = dc.add_udp_connection();
  if (connection_result != DroneCore::ConnectionResult::SUCCESS) {
  - std::cout << "Connection failed: " << DroneCore::connection_result_str(
  - connection_result) << std::endl;
  + std::cout << "\033[31m" << "Connection failed: " << DroneCore::connection_result_str(
  + connection_result) << "\033[0m" << std::endl;
  return 1;
  }
  @@ -35,7 +35,7 @@ int main(int /*argc*/, char ** /*argv*/)
  std::this_thread::sleep_for(std::chrono::seconds(2));
  if (!discovered_device) {
  - std::cout << "No device found, exiting." << std::endl;
  + std::cout << "\033[31m" << "No device found, exiting." << "\033[0m" << std::endl;
  return 1;
  }
  @@ -47,7 +47,7 @@ int main(int /*argc*/, char ** /*argv*/)
  // We want to listen to the altitude of the drone at 1 Hz.
  const Telemetry::Result set_rate_result = dc.device().telemetry().set_rate_position(1.0);
  if (set_rate_result != Telemetry::Result::SUCCESS) {
  - std::cout << "Setting rate failed:" << Telemetry::result_str(set_rate_result) << std::endl;
  + std::cout << "\033[31m" << "Setting rate failed:" << Telemetry::result_str(set_rate_result) << "\033[0m" << std::endl;
  return 1;
  }
  @@ -62,14 +62,14 @@ int main(int /*argc*/, char ** /*argv*/)
  const Action::Result arm_result = device.action().arm();
  if (arm_result != Action::Result::SUCCESS) {
  - std::cout << "Arming failed:" << Action::result_str(arm_result) << std::endl;
  + std::cout << "\033[31m" << "Arming failed:" << Action::result_str(arm_result) << "\033[0m" << std::endl;
  return 1;
  }
  std::cout << "Taking off..." << std::endl;
  const Action::Result takeoff_result = device.action().takeoff();
  if (takeoff_result != Action::Result::SUCCESS) {
  - std::cout << "Takeoff failed:" << Action::result_str(takeoff_result) << std::endl;
  + std::cout << "\033[31m" << "Takeoff failed:" << Action::result_str(takeoff_result) << "\033[0m" << std::endl;
  return 1;
  }
  @@ -79,11 +79,11 @@ int main(int /*argc*/, char ** /*argv*/)
  std::cout << "Landing..." << std::endl;
  const Action::Result land_result = device.action().land();
  if (land_result != Action::Result::SUCCESS) {
  - std::cout << "Land failed:" << Action::result_str(land_result) << std::endl;
  + std::cout << "\033[31m" << "Land failed:" << Action::result_str(land_result) << "\033[0m" << std::endl;
  return 1;
  }
  - // We are relying on auto-disarming but let's keep watching the telemetry infos a bit longer.
  + // We are relying on auto-disarming but let's keep watching the telemetry for a bit longer.
  std::this_thread::sleep_for(std::chrono::seconds(5));
  return 0;
  