fix k8s fass-netes deploy docs, namespace.yml is at the root of the repo.
@@ -57,7 +57,7 @@ This command is split into two parts so that the OpenFaaS namespaces are always
```
$ cd faas-netes && \
- kubectl apply -f ./yaml/namespaces.yml && \
+ kubectl apply -f ./namespaces.yml && \
kubectl apply -f ./yaml
```
