Add terraform user to management server

Change-Id: I347c77ef67c6c5b507a14a4956c628a9bc6170cd
diff --git a/playbooks/aethermgmt-playbook.yml b/playbooks/aethermgmt-playbook.yml
index 597b5e4..305b0e3 100644
--- a/playbooks/aethermgmt-playbook.yml
+++ b/playbooks/aethermgmt-playbook.yml
@@ -4,9 +4,10 @@
   hosts: mgmt
   become: true
   roles:
-   - netprep
-   - nsd
-   - unbound
-   - dhcpd
-   - nginx
-   - onieboot
+    - netprep
+    - nsd
+    - unbound
+    - dhcpd
+    - nginx
+    - onieboot
+    - users