Add namespace manifests

cluster/apps/metallb/kustomization.yaml

@@ -1,5 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+- ./namespace.yaml
 - ./helm-release.yaml
 - ./metallb-static-ips.yaml

cluster/apps/metallb/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: metallb-system

cluster/apps/traefik/kustomization.yaml

@@ -1,6 +1,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+- ./namespace.yaml
 - ./traefik-secrets.sops.yaml
 - ./helm-repository.yaml
 - ./helm-release.yaml

cluster/apps/traefik/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: traefik