added block markers so that the tasks do not overwrite

roles/backup/tasks/system_setup/copy_backup_config.yml

@@ -21,6 +21,7 @@
   blockinfile:
     dest: "/{{ ansible_user_id }}/.ssh/config"
     block: "{{ lookup('template', 'ssh_config.j2') }}"
+    marker: "{mark} ANSIBLE MANAGED BLOCK FOR backup"
   # template:
   #   src: "ssh_config.j2"
   #   dest: "{{ ansible_user_id }}/.ssh/config"

roles/base/tasks/users/all.yml

@@ -51,6 +51,7 @@
     backup: True
     owner: '{{ user }}'
     group: '{{ user }}'
+    marker: "{mark} Basic ANSIBLE MANAGED BLOCK"
 
 - name: users | {{ user }} | clone remote repos
   become: yes