updated demo docs with new crd files

Signed-off-by: Chris Hein <me@chrishein.com>

incubator/virtualcluster/doc/demo.md

@@ -36,8 +36,8 @@ The binary can be found in `_output/bin/vcctl`.
 ## Install CRDs and all components
 Running following cmds will install all CRDs and create all virtualcluster components.
 ```bash
-kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/multi-tenancy/master/incubator/virtualcluster/config/crds/tenancy_v1alpha1_clusterversion.yaml
-kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/multi-tenancy/master/incubator/virtualcluster/config/crds/tenancy_v1alpha1_virtualcluster.yaml
+kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/multi-tenancy/master/incubator/virtualcluster/config/crds/tenancy.x-k8s.io_clusterversions.yaml
+kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/multi-tenancy/master/incubator/virtualcluster/config/crds/tenancy.x-k8s.io_virtualclusters.yaml
 kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/multi-tenancy/master/incubator/virtualcluster/config/setup/all_in_one.yaml
 ```