Migration notes for Deep Link module

Author: hnejra

content/en/docs/refguide/installation/upgrading-from-10-to-11.md

@@ -113,3 +113,4 @@ You can resolve the error by enabling entity access for the microflow that calls
 * Client API `mx.logger` is no longer supported. All calls to it should be replaced with standard `console.log`, `console.warn`, and other such standard calls. All widgets that use the `mx.logger` need to be updated. 
 * We no longer convert `empty` values sent to the client into empty strings. All client side expressions must be adjusted accordingly.
 * We no longer support the runtime API class `com.mendix.modules.email.EmailModule` which was deprecated in [Mendix 10.12](https://docs.mendix.com/releasenotes/studio-pro/10.12/#deprecate-email). We recommend using the [Email Connector](https://marketplace.mendix.com/link/component/120739) module instead.
+* The [Deep Link module](https://marketplace.mendix.com/link/component/43) is deprecated and will not receive active support anymore in Mendix 11. The functionality this module offers has been replaced by built-in features of the Mendix Platform like Page URLs and Microflow URLs. See the [migration guide](https://docs.mendix.com/appstore/modules/deep-link/#migrate-page-micro) on how to migrate to these built-in features.