Add ci-template-check.yml

[trexfeathers]

For detailed context, see the following:

• Add ci-template-check.yml workflows#115
• Script to make PR authors aware if they are modifying templated files .github#41

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.40%. Comparing base (d8fa3c1) to head (92e7822).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #574   +/-   ##
=======================================
  Coverage   58.40%   58.40%           
=======================================
  Files          62       62           
  Lines        6433     6433           
  Branches     1150     1150           
=======================================
  Hits         3757     3757           
  Misses       2385     2385           
  Partials      291      291           

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[ESadek-MO]

Thanks @trexfeathers , LGTM!