Update readme

[GuthrieW]

Description

Updated readme, update some jsdoc.

Summary of Changes

Related Issue

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• I have performed a self-review of my code
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added or refactored the necessary tests that prove my fix is effective or that my feature works
• I have run the yarn build script in order to update the /dist folder