chore(bootstrap): Added mailu to argocd

manifests/artemis/mailu/cert.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: mailu-certificates
+spec:
+  secretName: mailu-certificates
+  issuerRef:
+    name: letsencrypt
+    kind: ClusterIssuer
+  dnsNames:
+    - mail.dgse.cloud
+    - smtp.dgse.cloud

manifests/artemis/mailu/kustomization.yaml

@@ -0,0 +1,11 @@
+---
+resources:
+  - cert.yaml
+
+helmCharts:
+  - name: mailu
+    repo: https://mailu.github.io/helm-charts/
+    version: 2.1.2
+    releaseName: mailu
+    namespace: mailu
+    valuesFile: values.yaml