API endpoint that allows users to be viewed or edited.

GET /api/users/ab6843e8-b2ba-419c-877e-8f028603bd7a/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/ab6843e8-b2ba-419c-877e-8f028603bd7a/?format=api",
    "username": "AAA小禾"
}