获取用户列表

{
    "items": [
        {
            "id": 0,
            "email": "user@example.com",
            "username": "string",
            "role": "user",
            "isVerified": true,
            "groupId": 0,
            "createdAt": "2019-08-24T14:15:22.123Z"
        }
    ],
    "total": 0
}