Add learning objectives and page metadata to cloud-docs schema-reg-contexts

Author: Feediver1

modules/manage/pages/schema-reg/schema-reg-contexts.adoc

@@ -1,4 +1,9 @@
 = Schema Registry Contexts
-:description: Learn about Schema Registry contexts, which provide isolated namespaces for schemas, subjects, and configuration in Redpanda.
+:description: Use Schema Registry contexts to create isolated namespaces for schemas, subjects, and configuration, enabling multi-tenant and multi-team deployments without separate Schema Registry instances.
+:page-topic-type: how-to
+:personas: app_developer, streaming_developer, platform_admin
+:learning-objective-1: Identify when to use Schema Registry contexts for multi-team or multi-cluster deployments.
+:learning-objective-2: Describe how qualified subject syntax maps subjects to contexts.
+:learning-objective-3: Enable and configure Schema Registry contexts using the cluster property and HTTP API.
 
 include::ROOT:manage:schema-reg/schema-reg-contexts.adoc[tag=single-source]