Made it so that files for conversion are added to the queue.

internal/application/convertor/queue.go

@@ -67,6 +67,7 @@ func NewQueueList() QueueListContract {
 	return &queueList{
 		currentKey:    0,
 		items:         map[int]*Queue{},
+		queue:         map[int]int{},
 		queueListener: map[int]QueueListenerContract{},
 	}
 }