Docusaurus

1. Configuration

   docusaurus.config.js, presets, themes, plugins and site fields.

2. Docs Plugin

   Creating docs, sidebars, doc metadata and front matter.

3. Sidebar

   Autogenerated and manual sidebars, categories and items.

4. Markdown Features

   MDX, admonitions, tabs, code blocks, assets and front matter.

5. Blog

   Blog plugin, authors, tags, truncation and RSS.

6. Pages

   Standalone React and Markdown pages.

7. Styling and Layout

   Custom CSS, Infima, CSS modules and dark mode.

8. Swizzling

   Ejecting or wrapping theme components to customise them.

9. Plugins

   Using and configuring plugins; plugin lifecycle APIs.

10. Versioning

    Doc versions and the docusaurus docs:version command.

11. Internationalization

    Locale configuration, translation workflow and content folders.

12. Search

    Algolia DocSearch and local search options.

13. Deployment

    Build output and deploying to static hosts.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.