API endpoint that allows users to be viewed or edited.

GET /api/users/a592d781-60cd-456b-8c90-9c4f5594aa6c/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/a592d781-60cd-456b-8c90-9c4f5594aa6c/?format=api",
    "username": "Rod"
}