update readme

Author: psolom

ReadMe.md

@@ -3,7 +3,9 @@ Filemanager
 
 FM is an open-source file manager released under MIT license. It is an alternative to elfinder or CKFinder.
 
-**_IMPORTANT_**: Check [new repo](https://github.com/servocoder/RichFilemanager) with a number of [new features and improvements](https://github.com/servocoder/RichFilemanager/blob/master/changelog). 
+**_IMPORTANT_**: This package is **DEPRECATED**.
+
+Now, please use **[RichFileManager](https://github.com/servocoder/RichFilemanager)** package with a number of new features and improvements.  
 
 Support
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