PEP 257 - docstring formatting

[rpreen]

Partially addresses #272

• Adds pydocstyle rules in Ruff;
• Updates all docstrings to be PEP 257 compliant;

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.30%. Comparing base (d22383c) to head (d094655).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #286      +/-   ##
==========================================
+ Coverage   99.22%   99.30%   +0.07%     
==========================================
  Files          41       41              
  Lines        5303     5301       -2     
==========================================
+ Hits         5262     5264       +2     
+ Misses         41       37       -4     

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