Add win condition

src/main/java/gent/zeus/mc13dtl/events/catalog/LightningEvent.java

@@ -73,6 +73,15 @@ public class LightningEvent extends Event {
         }
     }
 
+    @Override
+    protected void eventTimeEnded() {
+        if (MC13DTL.board.getPlayers(team).isEmpty()) {
+            eventFailed();
+        } else {
+            eventSuccess();
+        }
+    }
+
     @Override
     protected String getMessage() {
         return "Survive the night while staying outdoors (you need to have direct sky light above you at all times)";