Update README with TOC for CLI

[nathanjmcdougall]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #422 will not alter performance

_{Comparing 413-add-a-table-of-contents-for-api-docs-in-readme (6684c8a) with main (6c7e944)}

Summary

✅ 1 untouched benchmarks

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.94%. Comparing base (6c7e944) to head (6684c8a).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #422   +/-   ##
=======================================
  Coverage   97.94%   97.94%           
=======================================
  Files          73       73           
  Lines        3458     3458           
=======================================
  Hits         3387     3387           
  Misses         71       71           

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