Openconnect VPN

1. Initial installation: ansible-playbook -i hosts/openconnect-server openconnect.yaml --tags="install"

2. Add users to default/main.yaml and run ansible-playbook -i hosts/openconnect-server openconnect.yaml --tags="add_clients"

3. Remove users: update clients_to_remove in default/main.yaml and run ansible-playbook -i hosts/openconnect-server openconnect.yaml --tags="remove_clients"

4. Get all users certifacate: ansible-playbook -i hosts/openconnect-server openconnect.yaml --tags="add_clients" --extra-vars "get_all_users_certs=True"