Stack management API

[egeldenhuys]

• [ ] Deploy stack given name and stack file contents - docker stack deploy -c <file_name> <stack_name>
• [ ] Get list of running stacks - docker stack ls
• [ ] Remove running stack - docker stack rm <stack_name>
• [ ] Get list of running services in a stack* - docker stack services <stack_name>
• [ ] Get list of tasks running in a stack* - docker stack ps <stack_name>

* Page has not yet been planned to use functionality. These should be worked on as last priority

Considerations

• Format of stack file contents
• Format of returned data