Recut - support Py3.13, add checklist, codespell

[bobleesj]

Closes #97

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.96%. Comparing base (6cd1ee9) to head (363c356).
Report is 8 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #100       +/-   ##
===========================================
+ Coverage   82.40%   98.96%   +16.56%     
===========================================
  Files           5        6        +1     
  Lines         466     1261      +795     
===========================================
+ Hits          384     1248      +864     
+ Misses         82       13       -69     

see 11 files with indirect coverage changes

---- 🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[bobleesj]

@sbillinge ready for review - good, no hiccups. pdffit2 py 3.13 migration without any warnings.

[sbillinge]

🎉