Adds the missing taxAccounts option

src/main/java/net/knarcraft/stargate/config/ConfigOption.java

@@ -150,6 +150,11 @@ public enum ConfigOption {
     CHARGE_FREE_DESTINATION("economy.chargeFreeDestination",
             "Whether to require payment if the destination is free, but the entrance stargate is not", true),
 
+    /**
+     * The account to transfer all paid fees to
+     */
+    TAX_ACCOUNT("economy.taxAccount", "The UUID of the account all fees are paid to (except for money to the Stargate owner)", ""),
+
     /**
      * Whether to mark free gates with a different color
      */