add IRISZOOM

[diedyesterdaywastaken]

SteamDB app page links to a few games using this

• Act of Aggression
• R.U.S.E.
• Steel Division 2
• Steel Division: Normandy 44
• Wargame: Airland Battle
• Wargame: European Escalation
• Wargame: Red Dragon
• WARNO

Brief explanation of the change

should be the last pr for a while