Add 'Classifier' class to atomai models

[ziatdinovmax]

No description provided.

[codecov-commenter]

Codecov Report

Merging #74 (d736a94) into master (3cd5a8d) will increase coverage by 0.20%.
The diff coverage is 85.93%.

@@            Coverage Diff             @@
##           master      #74      +/-   ##
==========================================
+ Coverage   75.27%   75.48%   +0.20%     
==========================================
  Files          67       68       +1     
  Lines        6715     6873     +158     
==========================================
+ Hits         5055     5188     +133     
- Misses       1660     1685      +25     

Flag	Coverage Δ
unittests	75.48% <85.93%> (+0.20%)	⬆️

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Impacted Files	Coverage Δ
atomai/models/regressor.py	75.00% <ø> (ø)
atomai/utils/preproc.py	71.38% <62.50%> (-1.00%)	⬇️
atomai/trainers/trainer.py	77.22% <68.96%> (-0.46%)	⬇️
atomai/models/classifier.py	72.72% <72.72%> (ø)
atomai/models/__init__.py	100.00% <100.00%> (ø)
atomai/models/loaders.py	93.54% <100.00%> (+0.82%)	⬆️
atomai/nets/__init__.py	100.00% <100.00%> (ø)
atomai/nets/reg_cls.py	100.00% <100.00%> (ø)
atomai/predictors/__init__.py	100.00% <100.00%> (ø)
atomai/predictors/predictor.py	89.34% <100.00%> (+0.40%)	⬆️
... and 4 more

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