New port: net/ns3

ns-3 is a discrete-event network simulator for Internet systems,
targeted primarily for research and educational use. ns-3 is free
software, licensed under the GNU GPLv2 license, and is publicly
available for research, development, and use.

WWW: https://www.nsnam.org/

PR: 203083
Submitted by: Nikola Kolev <koue@chaosophia.net>