[DOCS] Defines rollup privileges

Author: lcawl

docs/en/stack/security/authorization/privileges.asciidoc

@@ -48,6 +48,10 @@ roles of the user who created or updated them.
 `manage_pipeline`::
 All operations on ingest pipelines.
 
+`manage_rollup`::
+All rollup operations, including creating, starting, stopping and deleting
+rollup jobs.
+
 `manage_security`::
 All security-related operations such as CRUD operations on users and roles and
 cache clearing.
@@ -75,6 +79,10 @@ node info, node and cluster stats, and pending cluster tasks.
 All read only {ml} operations, such as getting information about {dfeeds}, jobs,
 model snapshots, or results.
 
+`monitor_rollup`::
+All read only rollup operations, such as viewing the list of historical and
+currently running rollup jobs and their capabilities. 
+
 `monitor_watcher`::
 All read only watcher operations, such as getting a watch and watcher stats.