Deploy cf-for-k8s on AKS

1. Deploy a basic AKS cluster. (cf-for-k8s currently only support versions <1.16.0)
2. Create a build directory and cd into it mkdir build && cd build
3. Run the create-config.sh script (ex. ../create-config.sh sys.cf-for-k8s.example.com apps.cf-for-k8s.example.com)
4. Connect to the cluster az aks get-credentials ...
5. Deploy cf-for-k8s kapp deploy -a cf -f <(cat cf.kapp)