add ping WiFiS3

[paulvha]

see issues topic 251
needs to be used in combination with a pull request on bridge software.
the WifiCommands.h used to be a symbolic link but that was not pulled in. Hence it is now a seperate file.

regards,
Paul

[CLAassistant]

All committers have signed the CLA.

[JAndrassy]

this core has 3 networking libraries so please add WiFiS3 into the title. (the other two are WiFi and Ethernet for Portenta C33)
please remove all the white space change differences (I know there are weird trailing spaces in the original source)

maybe just

loat CWifi::ping(IPAddress ip, unsigned int count) {
/* -------------------------------------------------------------------------- */
  return ping(ip.toString().c_str(), count);
}

?
don't commit WiFiCommand.h. it is a symbolic link

[per1234]

Hi @paulvha. Thanks so much for your pull request!

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[paulvha]

I have added [email protected] (it already had [email protected]) and verified. set the default to hotmail.com. please anything else I can / need to do to perform a re-run.
regards,
Paul

[paulvha]

included also WiFiTime() now. Somehow the changes in Wifi.cpp and Wifi.h are not taken into account when the test compile is done online