SerializableAttribute F# snippet ref (#7837)

Author: albert-du

xml/System/SerializableAttribute.xml

@@ -79,6 +79,7 @@
   
  :::code language="cpp" source="~/snippets/cpp/VS_Snippets_Remoting/SerializationAttributes/CPP/s.cpp" id="Snippet1":::
  :::code language="csharp" source="~/snippets/csharp/System/NonSerializedAttribute/Overview/s.cs" id="Snippet1":::
+ :::code language="fsharp" source="~/snippets/fsharp/System/NonSerializedAttribute/Overview/s.fs" id="Snippet1":::
  :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_Remoting/SerializationAttributes/VB/s.vb" id="Snippet1":::  
   
  ]]></format>