add log for unsupported queue types

src/lavinmq/queue/queue_factory.cr

@@ -26,6 +26,7 @@ module LavinMQ
         end
         StreamQueue.new(vhost, frame.queue_name, frame.exclusive, frame.auto_delete, frame.arguments)
       else
+        check_unsupported_queue_type frame
         DurableQueue.new(vhost, frame.queue_name, frame.exclusive, frame.auto_delete, frame.arguments)
       end
     end
@@ -36,6 +37,7 @@ module LavinMQ
       elsif stream_queue? frame
         raise Error::PreconditionFailed.new("A stream queue cannot be non-durable")
       else
+        check_unsupported_queue_type frame
         Queue.new(vhost, frame.queue_name, frame.exclusive, frame.auto_delete, frame.arguments)
       end
     end
@@ -52,5 +54,11 @@ module LavinMQ
     private def self.stream_queue?(frame) : Bool
       frame.arguments["x-queue-type"]? == "stream"
     end
+
+    private def self.check_unsupported_queue_type(frame)
+      if frame.arguments["x-queue-type"]?
+        Log.warn { "The queue type #{frame.arguments["x-queue-type"]} is not supported by LavinMQ and will revert to default" }
+      end
+    end
   end
 end