Add node_exporter role

Change-Id: Ic6c5ede888af46708d07d7899b3da204f008bd54
diff --git a/default.xml b/default.xml
index 7cae8d1..9dca654 100644
--- a/default.xml
+++ b/default.xml
@@ -35,6 +35,7 @@
   <project path="ansible/roles/netbox" name="ansible/role/netbox"/>
   <project path="ansible/roles/netprep" name="ansible/role/netprep"/>
   <project path="ansible/roles/nginx" name="ansible/role/nginx"/>
+  <project path="ansible/roles/node_exporter" name="ansible/role/node_exporter"/>
   <project path="ansible/roles/nodejs" name="ansible/role/nodejs"/>
   <project path="ansible/roles/nsd" name="ansible/role/nsd"/>
   <project path="ansible/roles/onieboot" name="ansible/role/onieboot"/>