Update README.md

Author: devamitbera

README.md

@@ -15,6 +15,9 @@ Built by Amit Bera, [Magento StackExchange Moderator](https://magento.stackexcha
 [![Latest Stable Version](https://poser.pugx.org/devbera/module-cmslinktomenu/v/stable)](https://packagist.org/packages/devbera/module-cmslinktomenu)
 [![Total Downloads](https://poser.pugx.org/devbera/module-cmslinktomenu/downloads)](https://packagist.org/packages/devbera/module-cmslinktomenu)
 
+# Version: 1.5.0
+- Add external link to menu
+
 # Version: 1.4.0
 - Fixed Width issue with System fields