code: def on_session_ended
        url = @connection.url
        room = @room
        @connection = nil
        @room = nil
  
        # Automatically reconnect to the room / server if allowed
        if @reconnect
          reconnect_from(Exception) do
            room ? room.enter : connect(url)
            trigger(:reconnected)
          end
        end
      end
docs: Callback when the session has ended.  This will automatically reconnect if
   allowed to do so.