http post: http://localhost:8080/api/consultant/favorite

request body:
{
    "consultantList": [
        {
            "agentNo": "Z152717443",
            "createdTime": "2020-05-18T03:24:40Z"   // 若為null時，後端自動帶目前時刻
        },
        {
            "agentNo": "AGAM11249699",
            "createdTime": "2020-05-18T03:24:42Z"
        }
        ...
    ]
}
response body: 無，回http status 202