New webhooks support for custom-provider

What's new?

Custom-provider now supports webhooks related to subscriptions like charging future payments for subscription, updating subscription, cancelling subscription, moving subscription to different states, etc.
User can now run subscriptions seamlessly using these webhooks as now subsequent payments of subscription can be charged which will be reflected in GHL.
We have also added support for payment captured event so that no payment capturing is missed from our end even if it is a delayed payment.

Why we built this?

A lot of clients were requesting for the support of such webhooks for custom-provider.
This will lead to seamless experience for users to integrate subscriptions with custom-provider.

How to use?

Here is the public documentation in which user can refer to webhooks section.