When follow instruction by kubectl apply team-example.yaml , no staging namespace has automatically created

When try to follow the instruction based on minikube platform.

After setting up everything and follow each step exactly

once run

kubectl apply -f https://raw.githubusercontent.com/agoda-com/samsahai-example/master/configs/crds/team-example.yaml

no s2h-example namespace has been automatically created as description so, I cannot continue explore this project. please suggest what i'm missing

Thanks,
oz