API endpoint that allows users to be viewed or edited.

GET /api/users/fc7d0f44-06b3-4d36-8f5c-74f2029bedc8/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, DELETE, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "https://katagotraining.org/api/users/fc7d0f44-06b3-4d36-8f5c-74f2029bedc8/?format=api",
    "username": "matrix"
}