llms.txt improvements

[csvance]

• Working on improving llms.txt integration with README.md and docs site
• Created new llms.txt using Claude instead of from human documentation

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.96%. Comparing base (311c323) to head (f1fedf9).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #110   +/-   ##
=======================================
  Coverage   90.96%   90.96%           
=======================================
  Files           7        7           
  Lines         531      531           
=======================================
  Hits          483      483           
  Misses         48       48           

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