Update README.md

Zapier integration reference.

Author: acoumb

README.md

@@ -17,3 +17,6 @@ This repository houses open-source extensions, created for Umbraco CMS, that int
 ### CRM
 
 [HubSpot](./src/Umbraco.Cms.Integrations.Crm.Hubspot/) - a form picker and rendering component for Hubspot forms.
+
+### Automation
+[Zapier](./src/Umbraco.Cms.Integrations.Automation.Zapier/) - a dashboard interface allowing users to map content types with Zap triggers webhooks.