def create(domain, action, url = '')
      res = @client.post("domains/#{domain}/webhooks", id: action, url: url)
      res.to_h['webhook']['url'] == url && res.to_h['message'] == 'Webhook has been created'
    end
def create(domain, action, url = '')
      res = @client.post("domains/#{domain}/webhooks", id: action, url: url)
      res.to_h['webhook']['url'] == url && res.to_h['message'] == 'Webhook has been created'
    end
Public: Add webhook

 domain - A String of the domain name (ex. domain.com)
 action - A String of the action to create a webhook for
 url    - A String of the url of the webhook

 Returns a Boolean of whether the webhook was created