rename function WebApiMqttClass::getRootCaCertInfo to more generic
name WebApiMqttClass::getTlsCertInfo
Signed-off-by: Martin Dummer <martin.dummer@gmx.net>
User asked for TLS client certificate based login from DTU to MQTT
server. This PR implements storage and use of x509 client certificate
and private key.
Signed-off-by: Martin Dummer <martin.dummer@gmx.net>