Add SMS MODE Create API Call

[MasterCash]

add functionality for POST /users/sms_mode

Enables SMS mode for N hours, where N is at most 48. After N hours have elapsed, user will receive push notifications.

Request:

    {
      "duration": 4,
      "registration_id": "TOKEN"
    }

Parameters:

• duration(required): integer -
• registration_id: string - The push notification ID/token that should be suppressed during SMS mode. If this is omitted, both SMS and push notifications will be delivered to the device.

Responses:

201 Created