Add proper README documentation

[doubleedesign]

Summary

What is the nature of this pull request?

• New feature
• Enhancement to an existing feature
• Bug fix
• Configuration update
• Dependency update
• Documentation update

Description of change

This PR updates the README to include the basics of installation, usage, and contributing as is standard practice, particularly for the project NPM page which automatically uses it.

Planner card link

N/A

Readiness

• The application runs successfully with my change.
• N/A I have included code comments where appropriate.
• N/A Where I have copied and pasted code from other sources, I have included a comment with a link to the original source.
• I have read and followed the principles and guidelines about submitting code.
• N/A I have added unit tests for new components and/or functionality.
• N/A All existing and new unit tests pass (including updating tests for any necessary breaking changes).