docs(userspace/falco): documenting the keepalive field of the outputs request
docs(userspace/falco): documenting the keepalive field of the outputs request

Signed-off-by: Leonardo Di Donato <2012e0ca99d70aa6c893822ff73002216e5dba72@gmail.com>

draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco