Update with new Tip admonition

Co-authored-by: josef <[email protected]>

Readme.md

@@ -17,15 +17,12 @@
 [![Feature Requests](https://img.shields.io/github/issues/aws-amplify/amplify-cli/feature-request?color=ff9001&label=feature%20requests)](https://github.com/aws-amplify/amplify-cli/issues?q=is%3Aissue+label%3Afeature-request+is%3Aopen)
 [![Closed Issues](https://img.shields.io/github/issues-closed/aws-amplify/amplify-cli?color=%2325CC00&label=issues%20closed)](https://github.com/aws-amplify/amplify-cli/issues?q=is%3Aissue+is%3Aclosed+)
 
----
-
-# Preview: AWS Amplify's new code-first DX (Gen 2) for building backends
-
-The next generation of Amplify's backend building experience with a TypeScript-first DX is now available in Preview. To learn more, please visit [AWS Amplify (Gen 2)](https://docs.amplify.aws/gen2/).
-
-To open a new issue related to Amplify's new backend building experience, please visit [AWS Amplify Backend](https://github.com/aws-amplify/amplify-backend).
-
----
+> [!TIP]  
+> **Preview: AWS Amplify's new code-first DX (Gen 2) for building backends**
+> 
+> The next generation of Amplify's backend building experience with a TypeScript-first DX is now available in Preview. To learn more, please visit [AWS Amplify (Gen 2)](https://docs.amplify.aws/gen2/).
+> 
+> To open a new issue related to Amplify's new backend building experience, please visit [AWS Amplify Backend](https://github.com/aws-amplify/amplify-backend).
 
 # AWS Amplify CLI