Given a query parameter ``lat/lon` or `x/y combo`
this will return the parkeervak at that location
And empty collection is returned when the point is
not enclosed in any parkeervak.

http://localhost:8000/parkeervakken/geosearch/?x=129569.42&y=479968.42

GET /parkeervakken/geosearch/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[]