feat: Add KubestateMetrics App

ref:

Author: jon-nfc

manifests/kubestate-metrics/base/kustomization.yaml

@@ -0,0 +1,12 @@
+---
+
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+# v 0.15.0 = 68444c6b63b032a8761da09182ef63d89cc65cd5
+resources:
+  - https://raw.githubusercontent.com/prometheus-operator/kube-prometheus/68444c6b63b032a8761da09182ef63d89cc65cd5/manifests/kubeStateMetrics-clusterRole.yaml
+  - https://raw.githubusercontent.com/prometheus-operator/kube-prometheus/68444c6b63b032a8761da09182ef63d89cc65cd5/manifests/kubeStateMetrics-clusterRoleBinding.yaml
+  - https://raw.githubusercontent.com/prometheus-operator/kube-prometheus/68444c6b63b032a8761da09182ef63d89cc65cd5/manifests/kubeStateMetrics-deployment.yaml
+  - https://raw.githubusercontent.com/prometheus-operator/kube-prometheus/68444c6b63b032a8761da09182ef63d89cc65cd5/manifests/kubeStateMetrics-service.yaml
+  - https://raw.githubusercontent.com/prometheus-operator/kube-prometheus/68444c6b63b032a8761da09182ef63d89cc65cd5/manifests/kubeStateMetrics-serviceAccount.yaml