Add DKM

[collinleiber]

Add the DKM algorithm #57 and fix various bugs #75 , #74 , #72
Add COIL20 and COIL100 datasets

[codecov]

Codecov Report

Merging #76 (b5c5c6e) into main (34bcc85) will increase coverage by 0.54%.
The diff coverage is 98.29%.

❗ Current head b5c5c6e differs from pull request most recent head 3ad6fae. Consider uploading reports for the commit 3ad6fae to get more accurate results

@@            Coverage Diff             @@
##             main      #76      +/-   ##
==========================================
+ Coverage   89.99%   90.54%   +0.54%     
==========================================
  Files          57       59       +2     
  Lines        7067     7306     +239     
==========================================
+ Hits         6360     6615     +255     
+ Misses        707      691      -16     

Files	Coverage Δ
clustpy/__init__.py	100.00% <100.00%> (ø)
clustpy/data/__init__.py	100.00% <ø> (ø)
clustpy/data/real_torchvision_data.py	79.50% <100.00%> (+9.58%)	⬆️
clustpy/deep/__init__.py	100.00% <100.00%> (ø)
clustpy/deep/_utils.py	90.00% <100.00%> (ø)
clustpy/deep/dec.py	100.00% <100.00%> (ø)
clustpy/deep/dipdeck.py	89.25% <100.00%> (-0.47%)	⬇️
clustpy/deep/dipencoder.py	96.78% <100.00%> (+0.31%)	⬆️
clustpy/deep/vade.py	96.85% <100.00%> (+0.01%)	⬆️
clustpy/metrics/confusion_matrix.py	95.55% <100.00%> (ø)
... and 9 more

... and 10 files with indirect coverage changes

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[Lumik7]

Nice work. Some minor fixes are needed, see the individual comments in the code.