added license to templates

output_files_generated/nginx_openstack/config.yaml

templates/ansible/centos/mysql.tpl

templates/ansible/centos/postgres.tpl

templates/ansible/centos/wordpress.tpl

templates/ansible/ubuntu/config.tpl

templates/ansible/ubuntu/inventory.tpl

templates/ansible/ubuntu/mysql.tpl

templates/ansible/ubuntu/nginx.tpl

templates/ansible/ubuntu/postgres.tpl

templates/ansible/ubuntu/wordpress.tpl

templates/terraform/aws/init.tpl

templates/terraform/aws/network.tpl

templates/terraform/aws/port_rule.tpl

templates/terraform/aws/virtual_machine.tpl

templates/terraform/azure/init.tpl

templates/terraform/azure/network.tpl

templates/terraform/azure/resource_group.tpl

templates/terraform/azure/virtual_machine.tpl

templates/terraform/google_cloud/network.tpl

templates/terraform/google_cloud/vm.tpl