message: Enable Portal Timeout in not Blocking Portal
  Enable the use of setConfigPortalTimeout( ) & setConfigPortalBlocking(false) at same time, by calling process()
diff: @@ -757,6 +757,10 @@ boolean WiFiManager::process(){
  MDNS.update();
  #endif
  + if(configPortalActive && !_configPortalIsBlocking){
  + if(configPortalHasTimeout()) shutdownConfigPortal();
  + }
  +
  if(webPortalActive || (configPortalActive && !_configPortalIsBlocking)){
  uint8_t state = processConfigPortal();
  return state == WL_CONNECTED;
  