add rear backup playbook and role

playbooks/rear_backup.yml

@@ -0,0 +1,12 @@
+---
+- name: Perform a ReaR backup
+  hosts: all
+  become: true
+  gather_facts: true
+  strategy: free
+
+
+  tasks:
+    - name: Include the backup role
+      ansible.builtin.include_role:
+        name: rear_backup