Comply with DITA - add missing abstracts

Author: Lennonka

guides/common/modules/ref_activation-keys.adoc

@@ -3,6 +3,10 @@
 [id='activation-keys']
 == Activation keys
 
+[role="_abstract"]
+Learn the Hammer CLI commands for creating activation keys and adding subscriptions.
+You use these commands to manage activation keys that automatically configure systems during registration.
+
 [cols="3a,7a",options="header",]
 |====
 |Subcommand |Description and tasks

guides/common/modules/ref_content-life-cycles.adoc

@@ -3,6 +3,10 @@
 [id='content-life-cycles']
 == Content life cycles
 
+[role="_abstract"]
+Learn the Hammer CLI commands for managing lifecycle environments and content views.
+You use these commands to control content promotion and version management across environments.
+
 [cols="3a,7a",options="header",subs="+quotes"]
 |====
 |Subcommand |Description and tasks

guides/common/modules/ref_errata.adoc

@@ -3,6 +3,10 @@
 [id='errata']
 == Errata
 
+[role="_abstract"]
+Learn the Hammer CLI commands for managing security updates and patches.
+You use these commands to list, inspect, and apply errata to keep your systems secure and up-to-date.
+
 [cols="3a,7a",options="header",subs="+quotes"]
 |====
 |Subcommand |Description and tasks

guides/common/modules/ref_general-information.adoc

@@ -3,6 +3,10 @@
 [id='general-information']
 == General information
 
+[role="_abstract"]
+Learn essential information for using Hammer CLI effectively.
+You need to understand authentication, help options, and organization requirements before executing commands.
+
 Before you start reading the Hammer cheat sheet, familiarize yourself with the following information.
 
 Authentication in examples::

guides/common/modules/ref_hosts.adoc

@@ -3,6 +3,10 @@
 [id='hosts']
 == Hosts
 
+[role="_abstract"]
+Learn the Hammer CLI commands for managing hosts, host groups, and remote job execution.
+You use these commands to create and configure systems, organize them into groups, and execute tasks remotely.
+
 [cols="3a,7a",options="header",]
 |====
 |Subcommand |Description and tasks

guides/common/modules/ref_orgs-locs-and-repos.adoc

@@ -3,6 +3,10 @@
 [id='organizations-locations-and-repositories']
 == Organizations, locations, and repositories
 
+[role="_abstract"]
+Learn the Hammer CLI commands for managing organizations, locations, and repositories.
+You use these commands to structure your environment and manage content synchronization.
+
 [cols="3a,7a",options="header",]
 |====
 |Subcommand |Description and tasks

guides/common/modules/ref_provisioning-environments.adoc

@@ -3,6 +3,10 @@
 [id='provisioning-environments']
 == Provisioning environments
 
+[role="_abstract"]
+Learn the Hammer CLI commands for creating provisioning infrastructure components.
+You use these commands to set up domains, subnets, compute resources, and templates for automated system deployment.
+
 [cols="3a,7a",options="header",]
 |====
 

guides/common/modules/ref_tasks.adoc

@@ -3,6 +3,10 @@
 [id='tasks']
 == Tasks
 
+[role="_abstract"]
+Learn the Hammer CLI commands for listing tasks and monitoring their progress.
+You use these commands to track running operations and troubleshoot issues.
+
 [cols="3a,7a",options="header",]
 |====
 |Subcommand |Description and tasks

guides/common/modules/ref_users-and-permissions.adoc

@@ -3,6 +3,10 @@
 [id='users-and-permissions']
 == Users and permissions
 
+[role="_abstract"]
+Learn the Hammer CLI commands for managing users, user groups, roles, and filters.
+You use these commands to control access and permissions within your {Project}.
+
 [cols="3a,7a",options="header",]
 |====
 |Subcommand |Description and tasks