(IGNORE) Tweak wording of file_io feature in README

[scouten-adobe]

[codecov-commenter]

Codecov Report

Merging #102 (764857c) into main (2646d95) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #102   +/-   ##
=======================================
  Coverage   77.10%   77.10%           
=======================================
  Files          66       66           
  Lines       14130    14130           
=======================================
  Hits        10895    10895           
  Misses       3235     3235           

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