[DOCS] Automates xMatters connector screenshots (#165922)

docs/management/connectors/action-types/xmatters.asciidoc

@@ -3,6 +3,10 @@
 ++++
 <titleabbrev>xMatters</titleabbrev>
 ++++
+:frontmatter-description: Add a connector that can send alerts to xMatters.
+:frontmatter-tags-products: [kibana] 
+:frontmatter-tags-content-type: [how-to] 
+:frontmatter-tags-user-goals: [configure]
 
 The xMatters connector uses the https://help.xmatters.com/integrations/#cshid=Elastic[xMatters Workflow for Elastic] to send actionable alerts to on-call xMatters resources.
 
@@ -15,9 +19,11 @@ or as needed when you're creating a rule. You must choose between basic and URL
 
 [role="screenshot"]
 image::management/connectors/images/xmatters-connector-basic.png[xMatters connector with basic authentication]
+// NOTE: This is an autogenerated screenshot. Do not edit it directly.
 
 [role="screenshot"]
 image::management/connectors/images/xmatters-connector-url.png[xMatters connector with url authentication]
+// NOTE: This is an autogenerated screenshot. Do not edit it directly.
 
 [float]
 [[xmatters-connector-configuration]]
@@ -90,6 +96,7 @@ as you're creating or editing the connector in {kib}. For example:
 
 [role="screenshot"]
 image::management/connectors/images/xmatters-params-test.png[xMatters params test]
+// NOTE: This is an autogenerated screenshot. Do not edit it directly.
 
 xMatters rules have the following properties: