slingshot/src/main/resources/SLING-INF/content/slingshot/albums.json

{
    "jcr:primaryType":"sling:Folder",
    "jcr:mixinTypes":["slingshot:Album","sling:Resource"],
    "sling:resourceType":"slingshot:Album",
    "jcr:description":"This is the slingshot root album.",
    "jcr:title":"Root Album"
}