{ "username": "string", "password": "string" }
curl --location --request POST '/user/register/' \ --header 'Content-Type: application/json' \ --data-raw '{ "username": "string", "password": "string" }'
{ "id": 0, "username": "string", "email": "string", "real_name": "string", "student_id": "string", "is_staff": true, "avatar": "string" }