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]

🎉