listReadersRequested

Fired when |SCardListReaders| is called.

This maps to: PC/SC Lite: https://pcsclite.apdu.fr/api/group__API.html#ga93b07815789b3cf2629d439ecf20f0d9 Microsoft: https://learn.microsoft.com/en-us/windows/win32/api/winscard/nf-winscard-scardlistreadersa