Updated 'ServerStartGameMessage' class.

Updated the 'ServerStartGameMessage' class by adding the 'board' attribute and its getter method to it.

Projekte/mdga/model/src/main/java/pp/mdga/message/server/ServerStartGameMessage.java

@@ -8,13 +8,38 @@
  */
 @Serializable
 public class ServerStartGameMessage extends ServerMessage {
+    /**
+     * Create ServerStartGameMessage attributes.
+     */
+    private final Board board;
 
     /**
      * Constructs a new ServerStartGame instance.
      */
     public ServerStartGameMessage() {
         super();
+        this.board = new Board();
     }
+
+    /**
+     * Constructor.
+     *
+     * @param board as the board of the game as a Board object.
+     */
+    public ServerStartGameMessage(Board board) {
+        super();
+        this.board = board;
+    }
+
+    /**
+     * This method will return board attribute of ServerStartGameMessage class.
+     *
+     * @return board as a Board object.
+     */
+    public Board getBoard() {
+        return this.board;
+    }
+
     /**
      * Accepts a visitor to process this message.
      *