stuff added

src/Core/MyFoodora.java

src/Exception/ExceptionUnknownDishType.java

src/Exception/ExceptionUnknownMealType.java

src/Item/Dish.java

src/Item/FactoryDish.java

src/Item/FactoryMeal.java

src/Item/Meal.java

src/Item/MealFactory.java

src/Order/Order.java