added transformer pipeline abstration sig

[KunalSin9h]

Lots of things, reading docs....

[codecov-commenter]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 5.29%. Comparing base (e6c55bd) to head (726d966).

Additional details and impacted files

@@          Coverage Diff          @@
##            main     #46   +/-   ##
=====================================
  Coverage   5.29%   5.29%           
=====================================
  Files         17      17           
  Lines        869     869           
=====================================
  Hits          46      46           
  Misses       813     813           
  Partials      10      10           

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