Added rule to detect k8s client tool in container
Added rule to detect k8s client tool in container

The rule detects the execution of the k8s client tool in a container and
logs it with WARNING priority.

Signed-off-by: David de Torres <9625cb014783721ac2d3ac0cb8d9cb244ace8f66@gmail.com>
draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco