docs: document v0.0.3 release

[Cali0707]

Required for a v0.0.3 release

Summary by CodeRabbit

• New Features
  • Added kubeconfig management operations.
  • Added auth can-i operation for checking permissions.

[coderabbitai]

📝 Walkthrough

Walkthrough

Changelog update documenting version 0.0.3 release with entries for kubeconfig management operations and auth permission checking functionality, while updating historical version dates for 0.0.2 and 0.0.1.

Changes

Cohort / File(s)	Summary
Changelog Release Documentation CHANGELOG.md	Updated [Unreleased] header to [0.0.3] dated 2026-02-03; added "Added" section with two new features: kubeconfig management operations and auth can-i permission checking; updated dates for prior versions 0.0.2 (2026-01-26) and 0.0.1 (2026-01-20).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A version hops forth, 0.0.3 takes flight,
With kubeconfig commands and auth checks so right,
The changelog now chronicles these features new,
While history's dates are refined in their hue! 📋✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'docs: document v0.0.3 release' accurately reflects the changeset, which updates CHANGELOG.md to document a new v0.0.3 release with added features.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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