Fix headings in ceph.md

[zdover23]

Correct the heading levels in ceph.md.

Summary by CodeRabbit

• Documentation
  • Updated Ceph architecture documentation structure for improved clarity and better organization.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: ca5575e6-d5bc-4fcf-abf2-61739287b16d

📥 Commits

Reviewing files that changed from the base of the PR and between 60475a7 and 0cbe1e2.

📒 Files selected for processing (1)

• docs/architecture/ceph.md

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📝 Walkthrough

Walkthrough

The Markdown heading structure in docs/architecture/ceph.md was adjusted by demoting multiple heading levels: top-level sections ("Ceph Block Device Summary (RBD)", "RADOS Gateway (RGW) in Summary", "CephFS in Summary") were changed from ## to ###, with corresponding subsections similarly demoted. No text content or section ordering was altered.

Changes

Cohort / File(s)	Summary
Documentation Structure docs/architecture/ceph.md	Adjusted Markdown heading levels throughout the file, demoting top-level sections (## to ###) and their subsections accordingly (### to ####), affecting Ceph Block Device, RADOS Gateway, and CephFS sections.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• Add CephFS summary to ceph.md architecture page #23: Adds CephFS content to the same section that had its heading level adjusted in this PR.
• Add RGW Summary to ceph architecture page #18: Introduces RADOS Gateway (RGW) content to the section whose heading structure is modified here.
• Add "RBD" section to architecture.md #13: Adds Ceph Block Device (RBD) content to the section that undergoes heading level changes in this PR.

Suggested reviewers

• senolcolak

Poem

🐰 The headings hop one level down,
A hierarchy restructured, neat and sound,
No words were changed, just markdown's crown,
Now sections nest with proper ground! ✨

🚥 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 clearly and concisely summarizes the main change: adjusting heading levels in ceph.md 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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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