[YottaDB/UI/YDBGUI#493] Implement `--client-config /x/y/z` flag
--client-config /x/y/z
An application level flag to tell the application
where a client configuration file will be located. This server itself does not
use this option. web sockets. Available in variable
httpoptions("client-config")
.
Version bumped to 4.4.0.