fix link on homepage

Author: earth-walker

src/content/docs/index.mdx

@@ -8,7 +8,7 @@ hero:
     file: ../../assets/houston.webp
   actions:
     - text: Example Guide
-      link: bdt-docs/category/test
+      link: /category/test
       icon: right-arrow
     - text: Read the Starlight docs
       link: https://starlight.astro.build