Added Dockerfile, services.sh and modified README

When I run this I just get a long sha printed out:
```
(airmozilla)peterbe@Peters-MacBook-Pro:~/airmozilla ((d946e7e...) %)$ docker run -d -p 8000:8000 --name web -v ~/airmozilla:/airmozilla airmozilla
81c1d99461f49857fb350adc4970aeac55fc60bb19ca6f87d4bbe7bb73280fee
```