Detail for specified facet term

`facet_id`: "topics", "facility", "format", "genre", or "rights".
`term_id`: A term ID from one of the following lists:

- http://partner.densho.org/vocab/api/0.2/topics.json
- http://partner.densho.org/vocab/api/0.2/facility.json
- http://partner.densho.org/vocab/api/0.2/format.json
- http://partner.densho.org/vocab/api/0.2/genre.json
- http://partner.densho.org/vocab/api/0.2/rights.json

GET /api/0.2/facet/topics/36/
HTTP 200 OK
Allow: GET, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": "topics-36",
    "model": "ddrfacetterm",
    "facet": "topics",
    "term_id": 36,
    "links": {
        "json": "http://ddr.densho.org/api/0.2/facet/topics/36/",
        "html": "http://ddr.densho.org/browse/topics/36/",
        "children": [
            "http://ddr.densho.org/api/0.2/facet/topics/37/",
            "http://ddr.densho.org/api/0.2/facet/topics/38/",
            "http://ddr.densho.org/api/0.2/facet/topics/161/",
            "http://ddr.densho.org/api/0.2/facet/topics/185/",
            "http://ddr.densho.org/api/0.2/facet/topics/186/"
        ],
        "objects": "http://ddr.densho.org/api/0.2/facet/topics/36/objects/"
    },
    "title": "Race and racism",
    "children": [
        37,
        38,
        161,
        185,
        186
    ],
    "path": "Race and racism"
}