Update README.md

Author: michael-simons

README.md

@@ -2,6 +2,8 @@
 
 [![Build Status](https://github.com/michael-simons/biking2/workflows/build/badge.svg)](https://github.com/michael-simons/biking2/actions) [![Test coverage](https://sonarcloud.io/api/project_badges/measure?project=eu.michael-simons%3Abiking2&metric=coverage)](https://sonarcloud.io/dashboard?id=eu.michael-simons%3Abiking2) [![Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=eu.michael-simons%3Abiking2&metric=alert_status)](https://sonarcloud.io/dashboard?id=eu.michael-simons%3Abiking2)
 
+*NOTE:* The successor to this project is [biking3][9], which is what my [instance][1] is running these days.
+
 ## Abstract
 
 This is a project where i try out Java 8, Spring / Spring Boot and AngularJS. The project is live at [biking.michael-simons.eu][1]. To find out more, checkout the [about page][2] or start reading the series of blog posts:
@@ -37,3 +39,4 @@ If not, you need to export the following Java opts:
 [6]: http://biking.michael-simons.eu/docs/index.html
 [7]: http://arc42.de
 [8]: https://github.com/arc42/arc42-template
+[9]: https://github.com/michael-simons/biking3