started adding notifications

Projekte/mdga/model/src/main/java/pp.mdga/notification/PlayerInGameNotification.java

@@ -2,6 +2,9 @@
 
 import pp.mdga.game.Color;
 
+import java.util.List;
+import java.util.UUID;
+
 /**
  * Notification that a player is in the game.
  */
@@ -9,15 +12,17 @@ public class PlayerInGameNotification extends Notification {
 
     private Color color;
     private String name;
+    private List<UUID> piecesList;
 
     /**
      * Constructor.
      * @param color the color of the player that is in the game.
      * @param name the name of the player that is in the game.
      */
-    PlayerInGameNotification(Color color, String name) {
+    public PlayerInGameNotification(Color color,  List<UUID> piecesList, String name) {
         this.color = color;
         this.name = name;
+        this.piecesList = piecesList;
     }
 
     /**
@@ -35,4 +40,8 @@ public Color getColor() {
     public String getName() {
         return name;
     }
+
+    public List<UUID> getPiecesList() {
+        return piecesList;
+    }
 }