Update README

Author: kaferi

README.md

@@ -8,6 +8,8 @@ Our Cloud SDKs are wrappers around REST API in various programming languages, al
 
 These SDKs are now fully supported. If you have any questions, see any bugs or have enhancement request, feel free to reach out to us at [Free Support Forums](https://forum.aspose.cloud/c/pdf).
 
+Easy merge two or more PDF documents online https://products.aspose.app/pdf/merger.
+
 ## Requirements.
 
 Python 2.7 and 3.4+