Redirect go to new docset (#762)

* redirect to new docset

* include redirect for node/current/

* update toc

Author: terakilobyte

source/index.txt

@@ -16,7 +16,7 @@ MongoDB Drivers
    C Driver </c>
    C++ Driver </cxx>
    C# and .NET Driver </csharp>
-   Go Driver </go>
+   Go Driver <https://docs.mongodb.com/drivers/go/current/>
    Java Drivers </java-drivers>
    Node.js Driver <https://docs.mongodb.com/drivers/node/current/>
    PHP Driver </php>