Add internationalization

[chidiwilliams]

Resolves #188

[codecov]

Codecov Report

Merging #306 (72748b6) into main (e31b215) will increase coverage by 0.11%.
The diff coverage is 85.10%.

@@            Coverage Diff             @@
##             main     #306      +/-   ##
==========================================
+ Coverage   77.66%   77.78%   +0.11%     
==========================================
  Files           8        8              
  Lines        1545     1553       +8     
==========================================
+ Hits         1200     1208       +8     
  Misses        345      345              

Flag	Coverage Δ
Windows	73.54% <85.10%> (+0.14%)	⬆️
macOS	77.52% <80.85%> (-0.02%)	⬇️

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Impacted Files	Coverage Δ
buzz/cache.py	87.50% <0.00%> (ø)
buzz/transcriber.py	75.69% <ø> (ø)
buzz/gui.py	78.51% <86.95%> (+0.18%)	⬆️

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