Update docs for Jan 2024 Connectathon

[jtquach1]

Describe your changes

Please include a summary of the changes and the related issue/task. Please also include relevant motivation and context. List any dependencies that are required for this change, including links to other pull requests/branches in other repositories if applicable.

Updated documentation, removing unused auto-assign GitHub workflow, and alphabetized .env file

Issue ticket number and Jira link

Please include the Jira Ticket Number and Link for this issue/task.

https://jira.mitre.org/browse/REMS-556

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[avirgulto]

Looks good

[jtquach1]

@avirgulto sorry for the giant diffs- just rebased off dev and cherry-picked/edited a bunch of commits just to get Rob's PR changes from da1baef in. The only real changes were adjusting the REACT_APP_PUBLIC_KEYS variable in the .env and updating the README.md from his PR's text

[avirgulto]

Looks good, pulled down and ran and everything works as expected