Add llm integration

Merged
SE
3mo ago
+192-2

Summary by cubic

Add LLM-friendly plain‑text endpoints for the docs at /llms.txt and /llms-full.txt (plus /ko/*) and link them from the guide to aid model indexing.

  • New Features
    • New endpoints: /llms.txt lists all pages; /llms-full.txt concatenates full page text. Korean equivalents live under /ko.
    • Locale-aware output to prevent mixed languages on i18n sources.
    • Plain-text generation via llms from fumadocs-core/source: renders “# Title (url)”, optional description, then processed Markdown with MDX components stripped.
    • Added external guide links to the .txt files and enabled includeProcessedMarkdown in source.config.ts; routes registered in @tanstack/react-router.