Move webhook code to library

[mausch]

I see there are webhook event types and deserialization code in https://github.com/sendgrid/sendgrid-csharp/tree/e66855a48e17c99fb8c7b06b58e96c62525fc303/examples/eventwebhook/consumer/Src/EventWebhook .

This would be more useful if it was a part of the nuget package.

[Jericho]

If you are looking for a library that has a built-in parser for events as well as inbound-emails, may I suggest StrongGrid (disclaimer: I'm the author of this library).

[shwetha-manvinkurke]

This issue has been added to our internal backlog to be prioritized. Pull requests and +1s on the issue summary will help it move up the backlog.

[enjoau]

For what it's worth, I use the StrongGrid library from @Jericho in my .NET Core Webhook app and it rocks.

The Webhook Event parser makes life so much easier than deserializing the JSON yourself. One line of code. Awesome.