1. WE DO NOT create users w/o their SSH key
2. This is to create user:
~/ansible-venv/bin/ansible-playbook  -i hosts serv-04-adduser.yml -eusername=pavel -euserkey=pavel.pub -euseraction=add --limit=sterver01 -K
3. This is to remove user
~/ansible-venv/bin/ansible-playbook  -i hosts serv-04-adduser.yml -eusername=pavel -euseraction=remove --limit=sterver01 -K