Added attributes content type

Signed-off-by: Prabha Kylasamiyer Sundara Rajan <pkylasam@pkylasam-thinkpadp16vgen1.bengluru.csb>

Author: Prabha Kylasamiyer Sundara Rajan

docs/topics/templates/document-attributes.adoc

@@ -7,7 +7,7 @@
 :numbered:
 :imagesdir: topics/images
 :topicsdir: topics
-
+:_mod-docs-content-type: ATTRIBUTES
 // *****************
 // * Product names *
 // *****************