convert dirs from list of strings to list of pathbufs

[meirdev]

Fix #77

[LilyAcorn]

Thanks for this, this is great!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.71%. Comparing base (eae574e) to head (f265fff).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #84   +/-   ##
=======================================
  Coverage   98.71%   98.71%           
=======================================
  Files          45       45           
  Lines        7784     7787    +3     
  Branches     2795     2792    -3     
=======================================
+ Hits         7684     7687    +3     
  Misses         65       65           
  Partials       35       35           

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