Add webhook receiver for Draft

[paltman]

https://draftin.com/documents/69898?token=5fjKKlZ0-AeBzqj_RAftAGdzRzl9VBfBHj5wpSWm_gU

[ossanna16]

Would this be a good issue for someone looking to start contributing to Pinax? Looks like it could be 😊

[Duggi-Niharika-Sai-06]

I need to work on open source projects as a part of my university course. I am interested to contribute to this problem.

Can you please assign this to me?