Added CRUD operation
	new file:   .idea/misc.xml
	modified:   .idea/workspace.xml
	modified:   src/Acme/DemoBundle/Controller/DefaultController.php
	new file:   src/Acme/DemoBundle/Resources/views/Default/find.html.twig
	new file:   src/Acme/DemoBundle/Resources/views/Default/show.html.twig