Add blog add service hostinger

apps/templates/blog-helm.yaml

@@ -42,6 +42,7 @@ spec:
         smtpUser: ruben@hensen.io
         smtpPassword: "ignored-but-hast-to-exist-else-password-isnt-passed"
         smtpProtocol: tls
+        smtpService: hostinger
         ## @param smtpExistingSecret The name of an existing secret with SMTP credentials
         ## NOTE: Must contain key `smtp-password`
         ## NOTE: When it's set, the `smtpPassword` parameter is ignored