How-to: Send konnect audit logs to Datadog

## Jobs to be done (optional)
Datadog is a really common monitoring tool, and many of our users are asking for specific configurations with it through Kapa.
* How do I send Konnect audit logs to Datadog?

## Definition of done
How-to guide for sending Konnect audit logs to Datadog.

## Size
L

No files, tests, or documentation entry points are named in the issue. Start by locating the existing Konnect audit-log and integration how-to documentation, then define the Datadog configuration steps; the work is done when a how-to guide for sending Konnect audit logs to Datadog is published.

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