post : 
http://localhost:8080/api/otp/register

request body: 

{
    "phone": "0973000003",
    "email":"email@pollex.com.tw",
    "indexKey": "3485a742",
    "otpCode": "123",
    "name":"Jack",
    "contactType":"SMS" // "SMS"：Otp發送手機，"EMAIL":Otp發email
}