Refactor classification plot functions

[cjaehnen]

• Refactor classification plot functions to support feature scaling and prediction lambdas

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 95.65%. Comparing base (8400a0a) to head (79a681b).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
src/opengood/py_ml_plot/classification_plot.py	87.50%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##              main      #37      +/-   ##
===========================================
- Coverage   100.00%   95.65%   -4.35%     
===========================================
  Files            2        2              
  Lines           21       23       +2     
===========================================
+ Hits            21       22       +1     
- Misses           0        1       +1     

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