added all Notifications for the model view communication

added all required notifications with their content and getter methods.

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

@@ -2,8 +2,26 @@
 
 import pp.mdga.game.Color;
 
+/**
+ * Notification that a player is in the game.
+ */
 public class ResumeNotification extends Notification {
-    ResumeNotification(Color color) {
 
+    private Color color;
+
+    /**
+     * Constructor.
+     * @param color the color of the player that is in the game.
+     */
+    ResumeNotification(Color color) {
+        this.color = color;
+    }
+
+    /**
+     * Get the color of the player that is in the game.
+     * @return the color of the player that is in the game.
+     */
+    public Color getColor() {
+        return color;
     }
 }