docs: document Livewire 3 vs 4 component formats in dual-render docs

[chasecmiller]

Summary

• Documents the difference between Livewire 3 and Livewire 4 component formats in the dual-render widget documentation
• Cherry-picked from the now-deleted feature/seo-meta-rendering branch (the rest of that branch shipped via PR Restore bin/docs-lint and bin/install-hooks #38)

Test plan

• Cherry-pick applied cleanly (16 line additions, 1 file)
• Docs lint passes in CI

Summary by CodeRabbit

• Documentation
  • Enhanced documentation for Livewire component authoring, clarifying supported formats across framework versions and their compatibility with widget creation.
  • Added troubleshooting guidance for Livewire 4 users encountering unexpected component generation formats.

[coderabbitai]

📝 Walkthrough

Walkthrough

This pull request updates documentation for Livewire widget components, clarifying authoring format options across versions and providing guidance for component registration with BaseLivewireWidget and dynamic component resolution.

Changes

Cohort / File(s)	Summary
Documentation docs/advanced/livewire-widgets.md	Added clarification on Livewire component authoring formats (class-based, SFC, multi-file), compatibility with BaseLivewireWidget, and troubleshooting guidance for Livewire 4 users.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Possibly related PRs

• Restore bin/docs-lint and bin/install-hooks #38: Updates references to the same Livewire widgets documentation file that this PR modifies.

Poem

🐰 Hopping through the docs with care,
Formats clear, now everywhere,
Class or SFC, take your pick,
Livewire's magic, swift and slick! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately and specifically describes the primary change: documenting Livewire 3 vs 4 component formats in the dual-render documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feature/seo-livewire-docs

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