Zulip Notification Driver for Laravel Envoy

[chinmaypurav]

Hello Team Laravel,

Right now, Envoy does not support notifications using Zulip. We want to push notifications to Zulip about the deployment of our code to our Zulip server. And, I was wondering if the team has any plans to support Zulip as a driver for notification and would welcome a PR for the same.

Thanks!