docs: add Chronicle documentation site

[rsbh]

Summary

• Add docs/ folder with Chronicle's own documentation as MDX pages
• Includes: Getting Started, CLI Commands, Configuration, Frontmatter, Components, Themes
• Uses paper theme with llms enabled
• chronicle.yaml configured for self-documenting site

Test plan

• Run chronicle dev --content ./docs and verify all pages render
• Verify sidebar ordering matches frontmatter order values
• Check /llms.txt and /llms-full.txt routes work (requires llms PR)

🤖 Generated with Claude Code

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 1ba332f5-f17b-4938-b24d-af4424f91a17

📥 Commits

Reviewing files that changed from the base of the PR and between e976be8 and 351c92a.

📒 Files selected for processing (2)

• README.md
• docs/index.mdx

📝 Walkthrough

Walkthrough

Adds a Chronicle documentation site: one site config file and multiple new MDX docs covering getting started, CLI, configuration schema, frontmatter, built-in MDX components, themes, and Docker usage. No runtime code changes.

Changes

Cohort / File(s)	Summary
Site Configuration docs/chronicle.yaml	New site configuration defining metadata, theme ("paper"), navigation, search, llms toggle, and footer links.
Getting Started & CLI docs/index.mdx, docs/cli.mdx	New getting-started guide and CLI reference (init, dev, build, start, serve) with usage, flags, and content-dir resolution.
Configuration Reference docs/configuration.mdx	Comprehensive chronicle.yaml reference with full example, field descriptions, types, defaults, and API/OpenAPI section.
Content Authoring & Components docs/frontmatter.mdx, docs/components.mdx	Documentation for page frontmatter (ordering, fields, navigation) and built-in MDX components (Callout, Tabs, Mermaid, code blocks, tables, images, links, details, overrides).
Themes & Docker docs/themes.mdx, docs/docker.mdx	Theme descriptions (default, paper) with layout/features and Docker usage/examples for running Chronicle image.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Suggested reviewers

• rohilsurana

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The pull request title 'docs: add Chronicle documentation site' accurately summarizes the main change: adding documentation files for the Chronicle project.
Description check	✅ Passed	The pull request description clearly relates to the changeset, providing a summary of the documentation additions, listing included pages, configuration details, and a test plan.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch docs_add_basic_docs

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@docs/components.mdx`:
- Around line 67-72: The docs table incorrectly states Callout's outline default
as false; update the Callout prop table in docs/components.mdx to reflect that
Chronicle's wrapper (CalloutContainer) sets outline to true by default before
spreading user props, so change the `outline` default to `true` (or add a note
that Chronicle forces outline: true unless explicitly overridden) and mention
CalloutContainer by name so readers know the source of the default behavior.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 59792453-af71-4082-9873-dcb50b375866

📥 Commits

Reviewing files that changed from the base of the PR and between 2b6c947 and 77d277e.

📒 Files selected for processing (7)

• docs/chronicle.yaml
• docs/cli.mdx
• docs/components.mdx
• docs/configuration.mdx
• docs/frontmatter.mdx
• docs/index.mdx
• docs/themes.mdx