Modify index method to accept primary key parameter

[brunoocasali]

We can allow index creation with the pk setting to be set directly in an update settings call.

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Fixes #<issue_number>

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (38b7d45) to head (872dcaf).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #683   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines          809       809           
=========================================
  Hits           809       809           

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