fix(docs): add spacing between sidebar category groups

[jonathanperis]

Summary

• Add margin-bottom: 8px on .sidebar-category-group
• Add margin-top: 4px on inner ul
• Visually separates category sections in sidebar list

Changes

• docs/src/styles/docs.css: +7 lines

Verification

• npm run build ✓

Summary by CodeRabbit

• Style
  • Improved spacing and visual organization in the documentation sidebar for better readability.

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ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between d00a3f8 and f7c93d2.

📒 Files selected for processing (1)

• docs/src/styles/docs.css

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📝 Walkthrough

Walkthrough

Two CSS rules are added to the documentation stylesheet to control spacing within sidebar category groups: margin-bottom applied to the category group container and margin-top applied to the nested unordered list.

Changes

Sidebar Category Group Spacing

Layer / File(s)	Summary
Styling docs/src/styles/docs.css	Added .docs-layout .sidebar-category-group with margin-bottom: 8px and .docs-layout .sidebar-category-group ul with margin-top: 4px to improve sidebar visual spacing.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: adding spacing between sidebar category groups through CSS margin adjustments.
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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/docs-sidebar-category-spacing

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