Add an Edirectory Compose file

## Feature Overview

Add a compose file to use for eDirectory, assuming users have a tarball of the needed image

## Full Description

- Show how users can implement the compose file for their own needs
- Include a README file on how to use this w/o having to clone the repo

Remember, the point of documenting this is to remove the need for anyone to come and ask you to provide more detail or information before they can fulfill this enhancement request.

### Acceptance Criteria

- [ ] README includes instructions on using the container
- [ ] README iterates that the user is to supply their own image of eDir.