Added tutorial titles to the index file (#3)

* Added tutorial titles to the index file

Author: himeshsiriwardana

en/identity-server/next/docs/tutorials/index.md

@@ -2,4 +2,9 @@
 
 See the topics listed below for end-to-end tutorials on how to use WSO2 Identity Server with different technologies and different use cases.
 
+- [Verifiable credentials with Microsoft Entra Verified ID]({{base_path}}/references/tutorials/connect-with-ms-entra/)
+- [Verifiable credentials with MATTR]references/tutorials/connect-with-mattr.md
+- [Send notifications through an external scheduled task]({{base_path}}/references/tutorials/send-notification-external-schedular/)
+- [Configure Choreo for silent password migration]({{base_path}}/references/tutorials/configure-choreo-for-password-migration/)
+- [Build your own push authenticator app]({{base_path}}/references/tutorials/build-your-own-push-authenticator-app/)
 - [Secure Agentic AI Systems with WSO2 Identity Server]({{base_path}}/tutorials/secure-agentic-ai-systems/)