New port: emulators/teo

Teo is an emulator of the Thomson TO8 microcomputer for PC, running
on MSDOS, Windows, Linux, and FreeBSD.

The compatibility is close to 100% for softwares which don't use
non emulated peripherals and don't hold physical protections.

WWW: https://sourceforge.net/projects/teoemulator/

PR: 235563
Submitted by: Thomas Bernard <nanard@free.fr>