Add kube-proxy config reference

This is a reference for kube-proxy config generated from kubernetes-sigs/reference-docs/genref tool.
More specifically, it is generated using the following command:

./genref -include kube-proxy

content/en/docs/reference/setup-tools/kubeadm/kubeadm-init.md

@@ -130,7 +130,7 @@ page and pick a version from [the list](https://godoc.org/k8s.io/kubernetes/cmd/
 ### Adding kube-proxy parameters {#kube-proxy}
 
 For information about kube-proxy parameters in the kubeadm configuration see:
-- [kube-proxy](https://godoc.org/k8s.io/kubernetes/pkg/proxy/apis/config#KubeProxyConfiguration)
+- [kube-proxy reference](/docs/reference/config-api/kube-proxy-config.v1alpha1/)
 
 For information about enabling IPVS mode with kubeadm see:
 - [IPVS](https://github.com/kubernetes/kubernetes/blob/master/pkg/proxy/ipvs/README.md)