core (memory/cache): type hints + filename fix: cached file filename is now always UID + extension to avoid collision. `filename` argument as been renamed to `original_filename`, it is store if present, and used to guess media type when necessary.

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