Websocket Server Only Allows Single checkQueueUpdatesInterval

[foleyash]

GMJ requires that servers allow multiple persistent sessions at the same time. Currently, the websocket server only supports checking for queue updates in the latest session connection made. We need it to check for queue updates on every session. I would like to also remove its dependency on the socket connection, by extracting the code for this interval into its own module, seperating it from the io.on("connection", ...) module.

[foleyash]

Resolved with this commit