API endpoint that allows users to be viewed or edited.

GET /api/users/c9dacfbf-d732-4d11-a5cb-395f474fe704/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/c9dacfbf-d732-4d11-a5cb-395f474fe704/?format=api",
    "username": "hankguo"
}