app.model, reducers, effects, & subscriptions:

```js
app.model({
  state: {},
  reducers: {
    exampleReducer: function (data, state) { return data }
  },
  effects: {
    exampleEffect: function (data, state, send, done) { return data }
  },
  subscriptions: [
    function (send, done) {}
  ]
})
```