the idea is to make server lisen to all topics, and clients to lisen to specific events by checking Topic, and if its their userId.

TODO make the event lisner work event que to lisen as a subscireber for every channel notifications about events might not go trough in odrder they were added when there is a lot of them and they are not actibvly consumed TODO maybe introduce observer pattern in go intead of eventChannels TODO maybe return pointer to que so you dont have to specify which que by topic every time.

error type for message broker TODO create specifing viarables of message broker err that are eqivaluent to errors eq, errEmptyQue, errPopping.