Add queueNumber field for online players with status BattleWait

[MikhailDeriabin]

General description

If the online player has a field status set to BattleWait, then it should be also have field additional, which is an object for additional information required for status etc.
In this field should be a field queueNumber, which is a running integer number from 0 to 9999. The number should be saved to the queue module. When the number becomes 9999, it should be reset again to zero. The queue module handles the number and increases it by 1, when a new online player gets a status BattleWait.

Tasks

• Add the additional field with the queueNumber in it
• Add the logic for increasing the queueNumber field