edited the main.css

added the panel for drag and drop
Merge branch 'master' of https://github.com/halitanildonmez/DD2641_Lab2 into halitbranch
Merge branch 'master' of https://github.com/halitanildonmez/DD2641_Lab2 into halitbranch

Conflicts:
	res/layouts/MainView.fxml
	res/layouts/addedDishItem.fxml
Merge pull request #23 from halitanildonmez/newhalitbranch

Newhalitbranch