Add progress bar

[christoph-blessing]

This PR adds a progress bar to the pull and delete methods.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (776d3ee) 96.78% compared to head (df2167b) 97.12%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
+ Coverage   96.78%   97.12%   +0.33%     
==========================================
  Files          25       28       +3     
  Lines         840      974     +134     
  Branches       99      108       +9     
==========================================
+ Hits          813      946     +133     
  Misses         16       16              
- Partials       11       12       +1     

Files	Coverage Δ
link/adapters/progress.py	100.00% <100.00%> (ø)
link/domain/commands.py	100.00% <100.00%> (ø)
link/domain/events.py	100.00% <100.00%> (ø)
link/domain/link.py	93.84% <100.00%> (-0.60%)	⬇️
link/infrastructure/link.py	96.15% <100.00%> (+0.91%)	⬆️
link/infrastructure/progress.py	100.00% <100.00%> (ø)
link/service/handlers.py	100.00% <100.00%> (ø)
link/service/messagebus.py	85.41% <100.00%> (+0.63%)	⬆️
link/service/progress.py	100.00% <100.00%> (ø)
link/infrastructure/mixin.py	97.56% <90.90%> (-2.44%)	⬇️

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