Add restore functionality; update backup to include grub menu update

roles/rear_backup/handlers/main.yml

@@ -0,0 +1,4 @@
+---
+- name: Update Grub
+  ansible.builtin.command:
+    cmd: grub2-mkconfig -o /boot/grub2/grub.cfg

roles/rear_backup/tasks/main.yml

@@ -65,6 +65,13 @@
       changed_when: true
       register: rear_mkbackup
 
+    - name: Update ReaR Grub menu item
+      ansible.builtin.lineinfile:
+        path: "{{ rear_grub_conf }}"
+        line: "menuentry '{{ rear_grub_label }}' --class os {"
+        state: present
+      notify: Update Grub
+
     - name: ReaR backup success
       ansible.builtin.debug:
         msg: "ReaR backup has completed successfully."