Getting Started (New User) Guide

[kris-rowe]

Concise instructions for getting started should be provided in the README; however, there are likely topics which require more explanation without becoming overly technical.

Todo

• [ ] Review existing documentation for new users (e.g. see docs/user-guide)
• [ ] Review the updated README
• [ ] Identify incomplete or unclear information from a new user perspective
• [ ] Update README and docs/user-guide files as appropriate
• [ ] Remove unnecessary files from docs/user-guide