Add Filter LinkOption to Electron API

There doesn't appear to be a way to set filters with the current Go bindings. Microsoft's Event Hubs use filters to indicate the starting offset of messages (http://azure.github.io/amqpnetlite/articles/azure_eventhubs.html#filter). Without this option it would be difficult to properly use the bindings with Event Hubs.

There is a wrapper which patches the bindings to provide the functionality here: https://github.com/recobe182/gohub. Though I am not familiar enough with Qpid to determine if the patch is reasonable.

Thank you for considering this request and creating/maintaining this project!