Add User Phone

curl --request POST \
  --url https://api.wacht.dev/users/{user_id}/phones \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone_number": "+1234567890",
  "is_primary": false
}
'

{
  "id": "<string>",
  "phone_number": "+1234567890",
  "is_primary": true,
  "is_verified": true,
  "verified_at": "2023-11-07T05:31:56Z"
}