Moved Balance to separate window

src/main/resources/content/lang/en_us.lang

@@ -9,6 +9,7 @@ game.trash = Recycle Bin
 game.trash.hover = Destroy\n%d$
 game.storage = Storage
 game.storage.empty = Empty
+game.balance = Balance
 game.balance.history = Transactions
 game.balance.history.no-data = No transactions yet
 game.balance.history.index =