fix: sheppy mail var name

roles/monitoring-master/templates/users.conf

@@ -0,0 +1,25 @@
+object User "michy" {
+  import "generic-user"
+
+  display_name = "Michy Monitoring"
+  groups =  ["ese"]
+
+  email = "{{ michy_email }}"
+}
+
+object User "icingaadmin" {
+  import "generic-user"
+
+  display_name = "Icinga 2 Admin"
+  groups = [ "icingaadmins" ]
+
+  email = "{{ sheppy_email }}"
+}
+
+object UserGroup "icingaadmins" {
+  display_name = "Icinga 2 Admin Group"
+}
+
+object UserGroup "ese" {
+  display_name = "ESports-Erlangen Gruppe"
+}