docs: update.

[knightedcodemonkey]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.76%. Comparing base (1129cdd) to head (4cd245a).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #46   +/-   ##
=======================================
  Coverage   93.76%   93.76%           
=======================================
  Files          26       26           
  Lines        4986     4986           
  Branches     1114     1114           
=======================================
  Hits         4675     4675           
  Misses        277      277           
  Partials       34       34           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[Copilot]

Pull request overview

This PR promotes the package from release candidate 1.4.0-rc.3 to stable version 1.4.0, with accompanying documentation updates that clean up completed roadmap items and enhance configuration documentation.

• Version bump from 1.4.0-rc.3 to 1.4.0 (stable release)
• Roadmap cleanup removing shipped features and condensing planned work
• Enhanced documentation for the detectCircularRequires option with explicit file extension support

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
package.json	Updates version from 1.4.0-rc.3 to 1.4.0
package-lock.json	Updates version to match package.json (two occurrences)
docs/roadmap.md	Removes shipped features and condenses future work descriptions for cleaner roadmap
README.md	Expands detectCircularRequires documentation to explicitly list supported file extensions

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.