Addition of ghost spawn 7 on map

src/main/java/pacmanGame/Map.java

@@ -59,6 +59,7 @@ public class Map {
 	    this.put("4", "empty");
 	    this.put("5", "empty");
 	    this.put("6", "empty");
+	    this.put("7", "empty");
 	}};
 	public GameManager gameManager;