message: fix: not found getChipModel method for ESP8266
diff: @@ -2054,7 +2054,9 @@ String WiFiManager::getInfoData(String id){
  String p;
  if(id==F("esphead")){
  p = FPSTR(HTTP_INFO_esphead);
  + #ifdef ESP32
  p.replace(FPSTR(T_1), (String)ESP.getChipModel());
  + #endif
  }
  else if(id==F("wifihead")){
  p = FPSTR(HTTP_INFO_wifihead);
  