Fixed a spacing issue with the scan server section of the cluster.yaml file (#229)

diff --git a/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl b/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl
index 89029d6..84de099 100644
--- a/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl
+++ b/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl
@@ -15,7 +15,7 @@
 sserver:
   - default
 %{ for ip in worker_ips ~}
-    - ${ip}
+      - ${ip}
 %{ endfor ~}
 
 compaction: