* docs(event-streaming): add Wazuh integration guide
Documents how to wire NetBird's Generic HTTP event-streaming integration
to a self-hosted Wazuh manager: NetBird-side configuration, KQL queries
for audit and traffic events in the Wazuh dashboard, and a schema
reference for both event shapes via the receiver wrapper.
Adds the page to the Stream Activity Events sidebar and the
event-streaming index.
* docs(event-streaming): replace Wazuh Generic HTTP screenshot