API endpoint that allows users to be viewed or edited.

GET /api/users/28c19c29-ce29-40a4-a0a3-18f1003fc353/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/28c19c29-ce29-40a4-a0a3-18f1003fc353/?format=api",
    "username": "AFEish"
}