Further clean up of documentation

[ebalduf]

1. Remove 'copy' of README.md called overview.md and just use the
   README.md
2. Clean up the links in README.md so they work from rendered Fern.
3. Point the README.md docs section at the rendered Fern docs, which
   include all of the Fleet-Intelligence docs.

Summary by CodeRabbit

• Documentation
  • Updated documentation links to include hosted docs, platform guidance, the OpenAPI contract, contribution guidelines, security information, licensing, and support resources.
  • Updated documentation navigation to use the README as the overview and added a Contributing section.
  • Removed the standalone overview page, including its CLI, SDK, installation, authentication, and AI skills setup content.
  • Improved versioned documentation coverage for repository overview and contribution pages.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Enterprise

Run ID: a17e0b28-c740-4367-935a-a8c2739a24bc

📥 Commits

Reviewing files that changed from the base of the PR and between 1bb3443 and b68bfd5.

📒 Files selected for processing (3)

• .github/workflows/fern-docs-ci.yml
• fern/.gitignore
• scripts/docs-fetch-versions.py

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📝 Walkthrough

Walkthrough

The README now links to hosted documentation and repository resources. The former overview page was removed. Fern documentation uses the README for Overview and adds a Contributing page. Versioned documentation staging now includes root repository pages.

Changes

Documentation navigation

Layer / File(s)	Summary
Documentation entry points README.md, docs/overview.md, fern/docs.yml	The README adds links for documentation, the OpenAPI contract, Contributing, Security, and License. The removed overview page is replaced in navigation by the README. Fern adds a Contributing navigation entry.
Versioned root-page staging scripts/docs-fetch-versions.py	The version-fetching script retrieves README.md and CONTRIBUTING.md from tags, applies MDX fixes, maps them to staged page names, and includes available pages in generated output.
Documentation CI support .github/workflows/fern-docs-ci.yml, fern/.gitignore	Fern Docs CI now watches README.md and CONTRIBUTING.md. Fern-generated directories and dependencies are ignored.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk:⚪ Minimal · up to b68bf

This updates documentation entry points and versioned-document staging without an identified correctness, security, or availability risk. The change is ready to merge.

🚥 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 describes the documentation cleanup, which is the main purpose of the pull request. It is broad but still clear and relevant.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 1 files. (2 skipped: 2 …
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.

Full details: Docstring Coverage

Explanation

Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 4 functions across 1 files. (2 skipped: 2 unsupported.)

✨ 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 documentation_cleanup

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