Add docker-compose with Redis, AMY dev, RQ Worker and RQ Scheduler srvs
Add docker-compose with Redis, AMY dev, RQ Worker and RQ Scheduler srvs

These services are now included with docker-compose:
* Redis (with local storage enabled)
* AMY dev (from local Dockerfile) -> creates `amy:latest` image
* RQ worker (from `amy:latest`)
* RQ scheduler (from `amy:latest`)

TODO: possibly add PostgreSQL service.

swcarpentry/amy,swcarpentry/amy,pbanaszkiewicz/amy,swcarpentry/amy,pbanaszkiewicz/amy,pbanaszkiewicz/amy