add pre-commit and apply style fixes

[mcara]

Regression tests:
Roman: https://github.com/spacetelescope/RegressionTests/actions/runs/19526625146
JWST: https://github.com/spacetelescope/RegressionTests/actions/runs/19526650745

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.03%. Comparing base (633ed4c) to head (041a1a1).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #81   +/-   ##
=======================================
  Coverage   99.03%   99.03%           
=======================================
  Files           2        2           
  Lines         207      207           
=======================================
  Hits          205      205           
  Misses          2        2           

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[mcara]

@pllim Drizzlepac https://github.com/spacetelescope/RegressionTests/actions/runs/20048600093

[pllim]

There are probably way more jobs than necessary. I also see a bug on a line not touched here. Maybe I can open follow-up PR after this to clean up the test matrix. See #83

[pllim]

LGTM. Thanks!