cli (message/send): add arguments for message addressing: commands have been added to add `to`, `cc` and `bcc` metadata for sending copy of the message to several entities. Metadata such as `reply-to` `reply-room` and `no-reply` are also supported. rel 450

version: "3.6"
services:

  prosody:
    image: libervia/prosody:demo
    build: prosody-demo

  backend:
    image: libervia/backend:dev-demo
    build: backend-dev-demo

  web:
    image: libervia/web:dev-demo
    build: libervia-web-dev-demo