chore: promote Prettier warnings to errors in CI and format all files

[mcous]

Overview

This PR fixes some code quality configs and hookups that we making it difficult to contribute effectively to this project.

Part of a two PR change set:

1. chore: fix linting, formatting, and git hooks configs #291
2. chore: promote Prettier warnings to errors in CI and format all files #292 <-- you are here

Change log

• Remove temporary || true from lint script
• Run npm run format on the code base
• Re-run contributor generation for README

[mcous]

See #301 (comment)