Add install manifests

manifests/policies/deny-ingress.yaml

@@ -0,0 +1,8 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: deny-ingress
+spec:
+  podSelector: {}
+  policyTypes:
+    - Ingress

manifests/policies/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - deny-ingress.yaml