Installation Documentation

[lanthias]

User Story

• As a user, I want to know where NStack lives, and have something I can forward to IT.
• As a more technical hobbyist, I want to know how I can install the NStack server myself.
• As IT, I want to know how I would install NStack in my organisation, and where it can run.

Acceptance Criteria

• Docs to cover installation scenarios
  • Docker
  • CLI
  • AWS
  • Local VM

[lanthias]

This is partially complete (VM and link to the AMI), but needs to be completed at some point prior to launch.

[lanthias]

Docker is no longer in scope I believe. @mands we should pair on this?