Clean up docstrings, reorganize, update example code

[rly]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 96.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 82.87%. Comparing base (105e408) to head (02e4b49).
Report is 2 commits behind head on main.

Files	Patch %	Lines
src/hdmf_ai/results_table.py	96.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #17   +/-   ##
=======================================
  Coverage   82.87%   82.87%           
=======================================
  Files           2        2           
  Lines         146      146           
  Branches       32       32           
=======================================
  Hits          121      121           
  Misses         20       20           
  Partials        5        5           

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