Adding clarification for .NET Standard support for WAMP1

Author: Elad Zelingher

WAMP1/Notes-for-WAMPv1-users.md

@@ -7,3 +7,4 @@ If you are using WampSharp with WAMPv1 support and want to update to WAMPv2 vers
 * From this version v1.2.2.8, WAMPv1 support has been moved to a dedicated dll name WampSharp.WAMP1.dll. The types DefaultWampHost, DefaultWampCraHost and DefaultWampChannelFactory (and some extension methods of IWampChannelFactory) are located in WampSharp.WAMP1.Default.dll.
 In order to update a WAMP1 application to this version, please uninstall WampSharp.Default and install WampSharp.WAMP1.Default instead.
 * Please also note that [WAMPv1 is deprecated](https://groups.google.com/forum/#!msg/autobahnws/k-Jo8NnFtjA/qxnmFp2qGkMJ), and you're encouraged to upgrade your application to WAMPv2.
+* .NET Standard support isn't available at this time for WAMPv1.