Add Rico-on-Hold hint

Author: madmas

README.md

@@ -1,6 +1,11 @@
-<p align="right">
-<a href="https://dev.karakun.com" target="_blank"><img src="https://raw.githubusercontent.com/rico-project/rico/master/metadata/supported-karakun-small.png" alt="Supported by Karakun"/></a>
+<p>
+  ⚠️ <b>IMPORTANT:</b> ⚠️ Rico has been put <b>"on hold"</b>. To learn what is meant by that please <a href="https://dev.karakun.com/rico/2021/07/02/rico-on-hold.html">read the blog post</a>  and feel free to contact us via [email protected] to clarify upon questions.<br />
+  </p>
+
+  <p align="right">
+<a href="https://dev.karakun.com" target="_blank"><img src="https://raw.githubusercontent.com/rico-projects/rico/master/readme/supported_by_karakun.png" alt="Supported by Karakun"/></a>
 </p>
 
+
 # Rico AngularJS client
-This is the AngularJS 1.x client implementation of the Rico framework. All information about Rico can be found [here](https://github.com/rico-project/rico).
+This is the AngularJS 1.x client implementation of the Rico framework. All information about Rico can be found [here](https://github.com/rico-project/rico).