Add new port sysutils/topless.
TOPLESS reads various command output, displays it on the whole screen
(like "less"), and periodically updates it like "top".
TOPLESS can be used with almost every sort of command,
but is particularly useful when used with the command
to monitor the system, such as "ps", "netstat" or "fstat".
Author: Daichi GOTO <daichi@FreeBSD.org>