Doc-1996: Schema Registry Contexts

modules/ROOT/nav.adoc

@@ -205,6 +205,7 @@
 **** xref:manage:schema-reg/schema-reg-api.adoc[API]
 **** xref:manage:kubernetes/k-schema-controller.adoc[Kubernetes]
 *** xref:manage:schema-reg/schema-reg-authorization.adoc[Schema Registry Authorization]
+*** xref:manage:schema-reg/schema-reg-contexts.adoc[Schema Registry Contexts]
 *** xref:manage:schema-reg/schema-id-validation.adoc[]
 *** xref:console:ui/schema-reg.adoc[Manage in Redpanda Console]
 ** xref:manage:high-availability.adoc[High Availability]