add api

Author: chdeskur

fern/products/docs/docs.yml

@@ -275,4 +275,7 @@ navigation:
         path: ./pages/developer-tools/vale.mdx  
       - page: View Markdown
         path: ./pages/developer-tools/view-markdown.mdx
+  # must be included to use the schema component
+  - api: API reference
+    api-name: docs-yml