new file: roles/host_maintenance/README.md

modified:   roles/host_maintenance/tasks/systemd_mount.yaml
modified:   roles/host_maintenance/templates/systemd_mount.j2

roles/host_maintenance/README.md

@@ -0,0 +1,21 @@
+
+systemd_mount vars task example:
+
+``` yaml
+host_maintenance_disk_mounts:
+    - source: /dev/disk/by-uuid/xxxxxxx
+        target: /var/lib/rancher
+        mount_type: ext4
+        unit_before: k3s.service
+        unit_conflicts: umount.target
+        mount_options:
+        - defaults
+    - source: /dev/disk/by-uuid/xxxxx
+        target: /var/lib/rancher/k3s/storage 
+        unit_before: k3s.service
+        unit_conflicts: umount.target
+        mount_type: ext4
+        mount_options:
+        - defaults
+
+```