[HuggingFace] Add HF hub integration

[felixdittrich92]

This PR:

• Add option to push models to the hf hub
• Add option to load models directly from the hf hub

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.91%. Comparing base (6b5bfdc) to head (661119f).
Report is 3 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
+ Coverage   97.86%   97.91%   +0.04%     
==========================================
  Files          63       65       +2     
  Lines        1922     1966      +44     
==========================================
+ Hits         1881     1925      +44     
  Misses         41       41              

Flag	Coverage Δ
unittests	97.91% <100.00%> (+0.04%)	⬆️

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