Add Kubernetes dashboard

apps/base/dashboard/kustomization.yaml

@@ -0,0 +1,8 @@
+# /apps/base/dashboard/kustomization.yaml
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: dashboard
+
+resources:
+  - namespace.yaml
+  - repository.yaml

apps/base/dashboard/namespace.yaml

@@ -0,0 +1,5 @@
+# /apps/base/dashboard/namespace.yaml
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: dashboard

apps/base/dashboard/repository.yaml

@@ -0,0 +1,9 @@
+# /apps/base/dashboard/repository.yaml
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: dashboard
+  namespace: dashboard
+spec:
+  interval: 24h
+  url: https://kubernetes.github.io/dashboard/