net/telemt: New port: MTProxy for Telegram on Rust + Tokio

Telemt is a fast, secure, and feature-rich server written in Rust:
it fully implements the official Telegram proxy algo and adds many
production-ready improvements such as connection pooling, replay
protection, detailed statistics, masking from "prying" eyes.

PR: 293318
Credits: Igor Pavlov <igor.arabesc.pavlov@gmail.com>

		(for helping to improve daemon service)

Approved by: osa, vvd (Mentors, implicit)