add mailu to repositories and to releases

releases.yaml

@@ -198,3 +198,11 @@ templates:
       - template: default-env-secrets
       - template: ext-istio-resource
 
+  mailu: &mailu
+    name: mailu
+    chart: mailu/mailu
+    version: 1.1.1
+    inherit:
+      - template: default-env-values
+      - template: default-env-secrets
+      - template: ext-istio-resource

repositories.yaml

@@ -26,3 +26,5 @@ repositories:
     url: https://argoproj.github.io/argo-helm
   - name: bedag
     url: https://bedag.github.io/helm-charts/
+  - name: mailu
+    url: https://mailu.github.io/helm-charts/