List all leave requests

{  "data": [    {      "id": 0,      "employee_id": 0,      "leave_type_id": 0,      "leave_type": "string",      "state": "string",      "amount": "string",      "hours": "string",      "tracking_time_in": "string",      "starts_on": "string",      "ends_on": "string",      "comment": "string",      "created_at": "string",      "updated_at": "string",      "attachment_url": null,      "employee": {        "id": 0,        "first_name": "string",        "last_name": "string",        "email": "string"      },      "entries": [        {          "date": "string",          "amount": "string"        }      ],      "leave_type_policy": {        "name": "string",        "visibility": "string",        "activity_type": "string"      },      "approvals": [        null      ]    }  ],  "metadata": {    "pagination": {      "page": 0,      "pages": 0,      "count": 0,      "items": 0    }  }}