List all waitlists

[
    {
        "id": "wl_nGQxAhaHe3IfH60I",
        "slug": "closed-beta",
        "name": "Closed Beta",
        "purpose": "Closed early beta access to the mobile app for testin purposes.",
        "max_capacity": 100,
        "created_at": "2025-03-22T19:11:51.080Z",
        "updated_at": "2025-03-22T19:11:51.080Z"
    },
    {
        "id": "wl_a9oXUr77XTVgJbZE",
        "slug": "open-beta",
        "name": "Open Beta",
        "purpose": "Open early beta access to the mobile app for testin purposes.",
        "max_capacity": 200,
        "created_at": "2025-03-22T20:44:35.302Z",
        "updated_at": "2025-03-22T20:44:35.302Z"
    }
]