src/main/resources/SLING-INF/apps/sightlytck/install.json

{
    "jcr:primaryType" : "sling:Folder",
    "org.apache.sling.jcr.resource.internal.JcrResourceResolverFactoryImpl" : {
        "jcr:primaryType" : "sling:OsgiConfig",
        "resource.resolver.searchpath" : [
            "/apps",
            "/libs",
            "/sightlytck/scripts"
        ]
    }
}