code: function createRules(rulesToCreate, cb) {
  
      function addRule(ruleToCreate, addRuleCallback) {
        var fr = new rulesModel(ruleToCreate);
  
        fr.save(function(err, frdoc) {
          if (err) {
            return addRuleCallback(err);
          }
          return addRuleCallback(null, frdoc);
        });
      }
  
      async.map(rulesToCreate, addRule, cb);
    }
docs: iterate through the form field rules vs the new rules