Add role that installs pam slurm module to playbook tp create base-compute img.

ansible/node-compute.yml

 ---
-- name: Run a play
-  ansible.builtin.import_playbook: node.yml
-  
 - name: Setup node for use as a virtual compute node
   hosts: default
   become: true
   roles:
-    - { name: 'compute_packages', tags: 'compute_packages' }
     - { name: 'pam_slurm_adopt', tags: 'pam_slurm_adopt' }