code: function getMeField(User) {
  
      return {
          me: {
              type: getType(User.modelName),
              resolve: (obj, args, { app, req }) => {
  
                  if (!req.accessToken) return null;
  
                  return findUserFromAccessToken(req.accessToken, User);
              }
          }
      };
  }
docs: Create a me field for a given user model
  @param {*} User