Install the Iter8 controller

helm install --repo https://iter8-tools.github.io/iter8 --version 0.1.12 iter8 controller
helm install --repo https://iter8-tools.github.io/iter8 --version 0.1.12 iter8 controller \
--set clusterScoped=true
kubectl apply -k 'https://github.com/iter8-tools/iter8.git/kustomize/controller/namespaceScoped?ref=v0.17.1'
kubectl apply -k 'https://github.com/iter8-tools/iter8.git/kustomize/controller/clusterScoped?ref=v0.17.1'