Migrate to metrics-server helm chart (#74)

* Create metrics-server-charts.yaml

* Update kustomization.yaml

* Update kustomization.yaml

* Create helm-release.yaml

* Update helm-release.yaml

* Update helm-release.yaml

cluster/base/flux-system/charts/helm/metrics-server-charts.yaml

@@ -0,0 +1,10 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1beta1
+kind: HelmRepository
+metadata:
+  name: metrics-server-charts
+  namespace: flux-system
+spec:
+  interval: 1h
+  url: https://kubernetes-sigs.github.io/metrics-server
+  timeout: 3m