Document Deployment recommendations for k8saudit plugin vs knode / DaemonSet deployment for syscalls monitoring

[incertum]

/area documentation

What would you like to be added:

@leogr as discussed in the core maintainers meeting 2023-08-03 try to improve docs on website wrt deployment of k8saudit plugins on control node of cluster vs DaemonSet / syscalls monitoring on the knodes