Provide a better API to disable push notifications

[joshuadeguzman]

Overview

Currently, the API to disable a push is by forcing to pass an invalid FCM token so the push notification will bounce:

Klaviyo.instance.sendTokenToKlaviyo('<space>');

Proposal

I think a clearer API like disablePush is far more straightforward. Optionally, the native SDKs should provide a similar API to better handle server-side disabling of push notification when FCM or APN tokens were forced expired because of user logout / switch use cases.

Klaviyo.instance.disablePush();

What do you think about this? @drybnikov

[joshuadeguzman]

For context, in the official SDK, it has a method called subscribed user from the SDK:

• https://github.com/klaviyo/klaviyo-swift-sdk/blob/bb2506d192a8cdb9396c81061a90469c1f2c1486/Sources/KlaviyoSwift/KlaviyoAPI.swift#L122
• This calls the API: https://developers.klaviyo.com/en/reference/unregister_client_push_token