post https://api.zeplin.dev/v1/users/me/webhooks
Create a webhook for the user
Wildcard "*" can be used for project_ids and styleguide_ids to receive events for all projects and styleguides that you own. You'll also automatically subscribe to the new ones you create in the future.
Note: Users that have authorized the app before webhooks release must re-authorize the app to create webhooks.
Returns Object Reference