List ClickUp folders

curl 'https://api.expiryedge.com/v1/integrations/clickup/folders?space_id=90120001' \
  -H "Authorization: Bearer $EXPIRYEDGE_API_KEY"

{
  "success": true,
  "folders": [
    {
      "id": "90120101",
      "name": "Licenses"
    }
  ]
}