Add find_files to EWF module exports

[JSCU-CNI]

Small oversight in #39 causes some import errors for other projects (e.g. target).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.44%. Comparing base (72b05e7) to head (c20447e).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #47   +/-   ##
=======================================
  Coverage   71.44%   71.44%           
=======================================
  Files          23       23           
  Lines        1387     1387           
=======================================
  Hits          991      991           
  Misses        396      396           

Flag	Coverage Δ
unittests	71.44% <ø> (ø)

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