Update README.md

Author: agrohs

README.md

@@ -12,6 +12,7 @@ The new 3.0 version fixes several core issues (incorrect/missing order address,
 # Zendesk Extension for Magento
 
 This Extension makes Zendesk work seamlessly with Magento 1 to enable stores to deliver great customer support. It was originally develop by [Zendesk](https://www.zendesk.com) and is now supported and maintained by [agnoStack](https://agnostack.com).
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 **Features include:**
 
 - Enable Single Sign-on with Zendesk