API endpoint that allows users to be viewed or edited.

GET /api/users/4e3fcf8c-e1db-477d-b6e5-2ae2aa1d760f/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/4e3fcf8c-e1db-477d-b6e5-2ae2aa1d760f/?format=api",
    "username": "PenicillinWong"
}