获取版块列表

{
    "code": 20000,
    "data": {
        "list": [
            {
                "created_at": "2024-01-01T00:00:00Z",
                "description": "技术相关话题讨论区",
                "icon": "https://example.com/icon.png",
                "id": 1,
                "name": "技术讨论",
                "slug": "tech",
                "weight": 0
            }
        ]
    },
    "msg": null
}