title: Storing log data with mongoose after every creation or update
body: <p>I'm using nodejs and mongodb, I wan to create a log system that stores data  when mongoose fires queries(creating entry or update fields) so I can keep track of users.</p>
  
  <p>is there a certain plugin for mongoose or I have to do my own system from scratch ?</p>
  
  <p>Thanks in advance  </p>