create
fun <S : PartialsSession> createPasskeyHandler(next: HttpHandler, credentialRepo: PartialsCredentialRepository, registerBegin: String = "/partials/passkey/register/begin", registerFinish: String = "/partials/passkey/register/finish", loginBegin: String = "/partials/passkey/login/begin", loginFinish: String = "/partials/passkey/login/finish"): HttpHandler