Add: Support for llms.txt (#3306)

Co-authored-by: Deborah Barnard <deborah@deborahwrites.com>

mkdocs.yml

@@ -194,4 +194,13 @@ plugins:
       links_attr_map:
         target: _blank
         rel: external
+  # https://github.com/pawamoy/mkdocs-llmstxt
+  - llmstxt:
+      markdown_description: |
+        Documentation for n8n, a workflow automation platform. This file helps LLMs understand and use the documentation more effectively.
+      full_output: llms-full.txt
+      # Include all Markdown files in the docs directory and subdirectories
+      sections:
+        All documentation:
+          - "*.md"
 INHERIT: ./nav.yml