create USER

var PouchDB = require('pouchdb');
PouchDB.plugin(require('pouchdb-authentication'));

//with Admin account
var dbUrl =  encodeURI('https://mylogin:mypwd@myapp.cloudant.com/testaccess');
var db = new PouchDB(dbUrl, {skipSetup: true});

var options = {
  metadata : {
    email : 'robin@boywonder.com',
    birthday : '1932-03-27T00:00:00.000Z',
    likes : ['acrobatics', 'short pants', 'sidekickin\''],
  }
};

console.log("go signup");
db.signup('batman', 'brucewayne', options)
  .then(function(response){
    console.log(response);
    return response;
  })
  .then(function(response){
    console.log("response",response);
    return db.login('superman', 'clarkkent');
  })
  .then(function(login){
    console.log("login",login);
  })
  .catch(function(err){
    console.log(err);
    if (err.name === 'conflict') {
      console.log("batmanalready exists, choose another username");
    } else if (err.name === 'forbidden') {
      console.log("invalid username");
    } else {
      console.log(err,"HTTP error, cosmic rays, etc.");
    }
  });