Add support for Hugging Face models

[chidiwilliams]

No description provided.

[codecov]

Codecov Report

Merging #264 (423b5de) into main (82bdd30) will increase coverage by 1.02%.
The diff coverage is 83.49%.

@@            Coverage Diff             @@
##             main     #264      +/-   ##
==========================================
+ Coverage   78.08%   79.10%   +1.02%     
==========================================
  Files           6        6              
  Lines        1273     1345      +72     
==========================================
+ Hits          994     1064      +70     
- Misses        279      281       +2     

Flag	Coverage Δ
Windows	79.10% <83.49%> (?)
macOS	?

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Impacted Files	Coverage Δ
buzz/cache.py	87.50% <0.00%> (ø)
buzz/gui.py	77.46% <78.62%> (-0.19%)	⬇️
buzz/transcriber.py	79.41% <92.30%> (-0.86%)	⬇️
buzz/transformers_whisper.py	100.00% <100.00%> (ø)
buzz/model_loader.py

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