CreateQueue creates and returns the Queue with predefined options.

CreateWorkerPool initializes a new worker pool of size numWorkers and registers them to listen to 2 chans.

WithMainQueue *required* the queue will listen to new tasks on this chan.

WithMaxBufferSize the max queue size before it must be processed to avoid starvation.

WithMaxTaskRetry the amount of times a task will be retried.

WithMaxWorkerPoolSize the amount of workers in the worker pool.

WithStorage adds persistent data store.

Queue represents our queue handler taking care of all the retries, awaits and passing the tasks onto workers.