message: Update Readme to work with v3
diff: @@ -18,7 +18,7 @@ Feathers is a real-time, micro-service web framework for NodeJS that gives you c
  You can build your first real-time and REST API in just 4 commands:
  ```bash
  -$ npm install -g feathers-cli
  +$ npm install -g @feathersjs/cli
  $ mkdir my-new-app
  $ cd my-new-app/
  $ feathers generate app
  @@ -33,36 +33,42 @@ Here is all the code you need to create a RESTful, real-time message API that us
  ```js
  // app.js
  -const feathers = require('feathers');
  -const rest = require('feathers-rest');
  -const socketio = require('feathers-socketio');
  +const feathers = require('@feathersjs/feathers');
  +const expressify = require('@feathersjs/express')
  +const socketio = require('@feathersjs/socketio');
  +const handler = require('@feathersjs/errors/handler');
  +
  const memory = require('feathers-memory');
  -const bodyParser = require('body-parser');
  -const handler = require('feathers-errors/handler');
  -// A Feathers app is the same as an Express app
  -const app = feathers();
  +// Create a Feathers application that is also fully compatible
  +// with an Express app
  +const app = expressify(feathers());
  +// Parse HTTP JSON bodies
  +app.use(expressify.json());
  +// Parse URL-encoded params
  +app.use(expressify.urlencoded({ extended: true }));
  // Add REST API support
  -app.configure(rest());
  +app.configure(expressify.rest());
  // Configure Socket.io real-time APIs
  app.configure(socketio());
  -// Parse HTTP JSON bodies
  -app.use(bodyParser.json());
  -// Parse URL-encoded params
  -app.use(bodyParser.urlencoded({ extended: true }));
  // Register our memory "messages" service
  app.use('/messages', memory());
  // Register a nicer error handler than the default Express one
  app.use(handler());
  // Start the server
  -app.listen(3000);
  +app.listen(3030);
  +
  +// Create a new message on the server
  +app.service('messages').create({
  + text: 'This is a test message'
  +});
  ```
  Then run
  ```
  -npm install feathers feathers-rest feathers-socketio feathers-errors feathers-memory body-parser
  +npm install @feathersjs/feathers @feathersjs/express @feathersjs/socketio @feathersjs/errors feathers-memory
  node app
  ```
  