Adds listmonk app.

apps/listmonk/kustomization.yaml

@@ -0,0 +1,16 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: listmonk
+labels:
+  - includeSelectors: true
+    pairs:
+      app: listmonk
+      managedBy: kustomize
+      partOf: wild-cloud
+resources:
+  - namespace.yaml
+  - db-init-job.yaml
+  - deployment.yaml
+  - service.yaml
+  - ingress.yaml
+  - pvc.yaml