Install Borg backup package on servers

config/ansible/tasks/servers/server.yml

@@ -13,6 +13,13 @@
         state: present
       when: ansible_pkg_mgr != 'pacman'
 
+    - name: Ensure server packages are installed
+      ansible.builtin.package:
+        name:
+          - borg
+        state: present
+      become: true
+
     - name: Include JuiceFS tasks
       ansible.builtin.include_tasks: juicefs.yml
       tags: