added deleteEvent

deleteEvent.php

@@ -0,0 +1,12 @@
+<?php
+include_once('./databaseOperations.php');
+//TODO: check if user has the right to delete the event
+if(isset($_GET['id']) && is_numeric($_GET['id']))
+{
+    $db = connect();
+
+    deleteEvent($db, $_GET['id']);
+
+    header('Location:./');
+}
+?>