List Leaderboard Shadowbans

Example response

{
  "leaderboard_shadowbans": [
    {
      "id": 42,
      "display_name": "Orpheus",
      "avatar_url": "https://...",
      "username": "orpheus",
      "email": "orpheus@example.com",
      "leaderboard_shadowbanned": true,
      "leaderboard_shadowban_reason": "fake leaderboard activity",
      "shadowbanned_by": {
        "id": 1,
        "display_name": "Admin",
        "username": "admin",
        "avatar_url": "https://...",
        "admin_level": "superadmin"
      }
    }
  ]
}