fix: Output llms-full.txt, not llms.txt

Author: pawamoy

project/mkdocs.yml.jinja

@@ -148,7 +148,7 @@ plugins:
           summary: true
 - llmstxt:
     files:
-    - output: llms.txt
+    - output: llms-full.txt
       inputs:
       - index.md
       - reference/**.md