Add remotely (#26)

* Add remotely

* Add test config for Remotely

* Add remotely/README.md

* Update remotely/docker-compose.remotely.yml

Co-authored-by: Tom Moulard <tom@moulard.org>

* Add REMOTELY_IMAGE_VERSION to the .env.default

Co-authored-by: Tom Moulard <tom@moulard.org>