dev(narugo): add extractor

[narugo1992]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.16%. Comparing base (c535534) to head (f48fd2d).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #91   +/-   ##
=======================================
  Coverage   99.16%   99.16%           
=======================================
  Files          92       93    +1     
  Lines        2750     2755    +5     
=======================================
+ Hits         2727     2732    +5     
  Misses         23       23           

Flag	Coverage Δ
unittests	99.16% <100.00%> (+<0.01%)	⬆️

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