add ansible playbook to show dnsmasq leases

ansible/show_leases.yml

@@ -0,0 +1,10 @@
+---
+- hosts: hermes
+  tasks:
+    - name: Read dnsmasq leases
+      command: cat /mnt/data/dnsmasq.leases
+      register: leases
+
+    - name: Print dnsmasq leases
+      debug:
+        msg: "{{ leases.stdout_lines }}"