implement [LCI] Market Gnome

Mage/src/main/java/mage/game/events/GameEvent.java

@@ -540,6 +540,12 @@ public class GameEvent implements Serializable {
          flag        not used for this event
          */
         DISCOVERED,
+        /* Exiled while crafting (see Market Gnome)
+         targetId   the permanent exiled
+         sourceId   of the craft ability
+         playerId   the player crafting
+         */
+        EXILED_WHILE_CRAFTING,
         //custom events
         CUSTOM_EVENT
     }