Facet
Detail for specified facet
`facet_id`: "topics", "facility", "format", "genre", or "rights".
GET /api/0.2/facet/topics/?format=api
https://ddr.densho.org/topics/?format=api", "json": "https://ddr.densho.org/api/0.2/facet/topics/?format=api", "children": "https://ddr.densho.org/api/0.2/facet/topics/children/?format=api" }, "title": "Topics", "description": "'DDR Topics'" }{ "id": "topics", "model": "ddrfacet", "links": { "html": "