GET Lister les contacts

GET /api/v1/contacts

{
  "data": [
    {
      "id": "cnt_uuid",
      "name": "Awa Doe",
      "phone": "+22901000000",
      "tags": ["vip"],
      "meta": {},
      "createdAt": "2026-04-01T10:00:00.000Z",
      "updatedAt": "2026-04-01T10:00:00.000Z"
    }
  ]
}