# requirements, on device running ansible 
# ansible-galaxy collection install ansible.posix
# python3 -m pip show passlib

- name: Setup System  
  hosts: 
    - ???
  become: true
  tasks:
    - name: Add ansible user 
      ansible.builtin.user:
        password: "{{ ansible_new_user_password | password_hash('sha512') }}"
        name: "{{ ansible_new_user }}" 
        groups: sudo
        shell: /bin/bash
        create_home: yes
        state: present

    - name: Add SSH authorized key
      ansible.posix.authorized_key:
        user:  "{{ ansible_new_user }}"
        key: "{{ lookup('file', '~/.ssh/id_ed25519.pub') }}"
        state: present