add piacere monitoring iac generation

...es_generated/nginx_openstack/piacere_monitoring/site.yaml

...nginx_openstack/piacere_monitoring/site_requirements.yaml

...s_generated/nginx_openstack/piacere_monitoring/ssh_key.j2

...nerated/nginx_openstack/piacere_monitoring/vars/main.yaml

output_files_generated/nginx_openstack/terraform/output.tf

plugin/AnsiblePlugin.py

plugin/TerraformPlugin.py

template-location.properties

templates/ansible/ubuntu/config.tpl

templates/ansible/ubuntu/piacere_init.tpl

templates/terraform/open_stack/virtual_machine_out.tpl