API endpoint that allows users to be viewed or edited.

GET /api/users/c69141e8-054d-484c-b310-b59d95a165f6/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/c69141e8-054d-484c-b310-b59d95a165f6/?format=api",
    "username": "myplay"
}