Update README.md

Author: btbernard

README.md

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+![](https://img.shields.io/badge/STATUS-NOT%20CURRENTLY%20MAINTAINED-red.svg?longCache=true&style=flat)
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+# Important Notice
+This public repository is read-only and no longer maintained. For the latest sample code repositories, visit the [SAP Samples](https://github.com/SAP-samples) organization.
+
 # AngularJS sample in HCP
 
-##What is it?
+## What is it?
 
 This is a sample HTML5 application that demonstrates the ease of using JavaScript frameworks like AngularJS and Bootstrap 
 for UI development in the SAP HANA Cloud Platform.