added info about AI repo

Author: Grigori Fursin

README.md

@@ -1,6 +1,8 @@
 [![workflow](https://github.com/ctuning/ck-guide-images/blob/master/ck-workflow.svg)](https://github.com/ctuning/ck)
 [![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
 
+**All CK components for AI and ML are now collected in [one repository](https://github.com/ctuning/ai)!**
+
 Portable CK workflows for crowd-benchmarking:
 * [Portable CK solutions](https://cKnowledge.io/solutions)
 * [Reprodued SOTA results from research papers](https://cKnowledge.io/?q=%22reproduced-results%22)