Get all developers

curl --request GET \
  --url http://localhost:8080/api/v1/developers \
  --header 'Authorization: Bearer <token>'

[
  {
    "yapcoder_id": 123,
    "github_user_id": 123,
    "username": "<string>",
    "is_yapcoder": true,
    "onboarded_ts": "2023-11-07T05:31:56Z"
  }
]