docs: add link to generic userdata scripts
docs: add link to generic userdata scripts
joshix/coreos-kubernetes,coreos/coreos-kubernetes,bnea-engineering/coreos-kubernetes,IDKA/coreos-kubernetes,limres/coreos-kubernetes,limres/coreos-kubernetes,bnea-engineering/coreos-kubernetes,coreos/coreos-kubernetes,joshix/coreos-kubernetes,turbonomic/coreos-kubernetes,ah45/coreos-kubernetes,bnea-engineering/coreos-kubernetes,IDKA/coreos-kubernetes,ah45/coreos-kubernetes,turbonomic/coreos-kubernetes,limres/coreos-kubernetes,turbonomic/coreos-kubernetes,IDKA/coreos-kubernetes,ah45/coreos-kubernetes