Improve docs for CLI commands

[kelly-sovacool]

Changes

• generate list of commands dynamically
• remove ansi escape sequences from jobby's help message when printing for the website
• other minor docs touchups

Issues

NA

PR Checklist

(Strikethrough any points that are not applicable.)

• This comment contains a description of changes with justifications, with any relevant issues linked.
• [ ] Write unit tests for any new features, bug fixes, or other code changes.
• [ ] Update docs if there are any API changes.
• Update CHANGELOG.md with a short description of any user-facing changes and reference the PR number. Guidelines: https://keepachangelog.com/en/1.1.0/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.60%. Comparing base (a1208c6) to head (693fff3).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #32      +/-   ##
==========================================
+ Coverage   68.58%   68.60%   +0.02%     
==========================================
  Files          19       19              
  Lines        1340     1341       +1     
==========================================
+ Hits          919      920       +1     
  Misses        421      421              

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