Adds API events to event collection (#4230) (#4304)

(cherry picked from commit 26d253d)

Co-authored-by: natasha-moore-elastic <137783811+natasha-moore-elastic@users.noreply.github.com>

docs/es-overview.asciidoc

@@ -30,7 +30,7 @@ Here's an overview of the flow and its components:
 ** <<install-endpoint, {elastic-defend}>>: {agent} integration that
 protects your hosts <<malware-prevention, against malware>> and ships these data sets:
 ***  *Windows*: Process, network, file, DNS, registry, DLL and driver loads,
-malware security detections
+malware security detections, API
 *** *Linux/macOS*: Process, network, file
 ** {integrations-docs}[{integrations}]: Integrations are a streamlined way to send your data to the {stack}. Integrations are available for popular services and platforms, like Nginx, AWS, and MongoDB, as well as many generic input types like log files.
 ** https://www.elastic.co/integrations?solution=security[Beat modules]: {beats}