Slot Instance
GET /api/2/slots/30?format=api
http://co.radiocorax.de/api/2/programmes/technottic-morgenkaffee?format=api", "name": "Technottic Morgenkaffee (1:30:00)", "runtime": "01:30:00", "url": "http://co.radiocorax.de/api/2/slots/30?format=api" }{ "programme": "