chore: support prek

[GabDug]

Doc & tests update only.

---

Note

Low Risk
Docs/tests-only changes plus a minor tox formatting tweak; no production logic is modified.

Overview
Documents support for prek configuration files, including a note about using an alternate .pre-commit-config.yml file name.

Adds a regression test (test_prek_config_support) verifying that updating repo rev values preserves prek-specific top-level and hook keys (e.g., minimum_prek_version, orphan, hook priority/env).

Makes a small tox.ini formatting tweak to standardize VCS dependency spec spacing (pdm @ git+..., poetry @ git+...).

^{Written by Cursor Bugbot for commit 922bf5a. This will update automatically on new commits. Configure here.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.13%. Comparing base (f93ae1a) to head (5ead1fc).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #67   +/-   ##
=======================================
  Coverage   97.13%   97.13%           
=======================================
  Files          12       12           
  Lines         697      697           
  Branches       62       62           
=======================================
  Hits          677      677           
  Misses         18       18           
  Partials        2        2           

Flag	Coverage Δ
unittests	97.13% <ø> (ø)

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[cursor]

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