message: follow_me: send velocity array
diff: @@ -279,7 +279,7 @@ void FollowMeImpl::send_target_location()
  const float alt = static_cast<float>(_target_location.absolute_altitude_m);
  const float pos_std_dev[] = {NAN, NAN, NAN};
  - const float vel[] = {NAN, NAN, NAN};
  + const float vel[] = {static_cast<float>(_target_location.velocity_x_m_s), static_cast<float>(_target_location.velocity_y_m_s), static_cast<float>(_target_location.velocity_z_m_s)};
  const float accel_unknown[] = {NAN, NAN, NAN};
  const float attitude_q_unknown[] = {1.f, NAN, NAN, NAN};
  const float rates_unknown[] = {NAN, NAN, NAN};
  