Attributes

`::attributes`

Serialization of the resource title and body

In Serializer	#attributes
`attributes :title, :body`	`{ title: 'Some Title', body: 'Some Body' }`
`attributes :title, :body` `def body "Special #{object.body}" end`	`{ title: 'Some Title', body: 'Special Some Body' }`

Serialization of the resource title

In Serializer	#attributes
`attribute :title`	`{ title: 'Some Title' }`
`attribute :title, key: :name`	`{ name: 'Some Title' }`
`attribute :title { 'A Different Title'}`	`{ title: 'A Different Title' }`
`attribute :title` `def title 'A Different Title' end`	`{ title: 'A Different Title' }`