Cluster-autoscaler: add default credentials to faq.
Cluster-autoscaler: add default credentials to faq.

xialonglee/contrib,aledbf/contrib,widgetpl/contrib,verb/contrib,jcmoraisjr/k8s-contrib,piosz/contrib,foxish/contrib,widgetpl/contrib,aledbf/contrib,piosz/contrib,ingvagabund/contrib,aledbf/contrib,x13n/contrib,ingvagabund/contrib,thockin/contrib,foxish/contrib,x13n/contrib,jcmoraisjr/k8s-contrib,Q-Lee/contrib,Pensu/contrib,Q-Lee/contrib,verb/contrib,Q-Lee/contrib,Pensu/contrib,moul/contrib,jcmoraisjr/k8s-contrib,Pensu/contrib,aledbf/contrib,ingvagabund/contrib,xialonglee/contrib,xialonglee/contrib,Pensu/contrib,widgetpl/contrib,thockin/contrib,Q-Lee/contrib,jcmoraisjr/k8s-contrib,foxish/contrib,thockin/contrib,moul/contrib,piosz/contrib,widgetpl/contrib,thockin/contrib,foxish/contrib,Pensu/contrib,jcmoraisjr/k8s-contrib,thockin/contrib,x13n/contrib,piosz/contrib,piosz/contrib,aledbf/contrib,moul/contrib,x13n/contrib,x13n/contrib,ingvagabund/contrib,verb/contrib,verb/contrib,jcmoraisjr/k8s-contrib,aledbf/contrib,Q-Lee/contrib,moul/contrib,Q-Lee/contrib,piosz/contrib,xialonglee/contrib,thockin/contrib,moul/contrib,widgetpl/contrib,widgetpl/contrib,foxish/contrib,xialonglee/contrib,ingvagabund/contrib,verb/contrib,ingvagabund/contrib,verb/contrib,foxish/contrib,xialonglee/contrib,Pensu/contrib,x13n/contrib