Generate UUID

#include <iostream>
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>

int generateUUID(){
  boost::uuids::uuid uuid = boost::uuids::random_generator()();
  std::cout << boost::uuids::to_string(uuid) << std::endl;
  return 0;
}