Update website-search.qmd

Indent example configuration correctly,  cf report at quarto-dev/quarto-cli#11186 (reply in thread)

Author: cscheid

docs/websites/website-search.qmd

@@ -182,12 +182,12 @@ website:
       index-name: <my-index-name>
       application-id: <my-application-id>
       search-only-api-key: <my-search-only-api-key>
-    index-fields:
-      href: url
-      section: sec
-      text: body
-    params:
-      tagFilters: ['tag1','tag2']
+      index-fields:
+        href: url
+        section: sec
+        text: body
+      params:
+        tagFilters: ['tag1','tag2']
 ```
 
 ## Disabling Search