Site capabilities

• Navigation and routing: URLs, top navigation, recursive sidebars, and page order.
• Search: built-in compact search and the optional Pagefind plugin.
• Internationalization: locale directories, UI messages, and translation gaps.
• Documentation versions: independent content snapshots and version switching.
• Redirects: migrate public URLs and reject loops or chains.
• Theme customization: base palettes, logos, and semantic token overrides.
• Build extensions: transform source, add page information, or generate project files during a site build.
• Official plugins: enable math, diagrams, link handling, and reading time in Markdown, or switch search to Pagefind.