add motd.yml tasklist

try motd task to releng as a test

playbooks/groups/releng.yml

@@ -16,6 +16,7 @@
   tasks:
   - include: $tasks/virt_instance_create.yml
   - include: $tasks/koji/releng_config.yml
+  - include: $tasks/motd.yml
 
   handlers:
   - include: $handlers/restart_services.yml

tasks/motd.yml

@@ -0,0 +1,3 @@
+---
+- name: add motd to system
+  template: src=/srv/infra/hosts/motd.j2 dest=/etc/motd