Add table to doc util script

- Remove db parameter from several places
- Add constructors for document types

src/public/index.php

@@ -5,16 +5,16 @@
  * Displays a list of unread or bookmarked items for the current user
  */
 
-use FeedReaderCentral\Data;
+use BitBadger\Documents\SQLite\Configuration;
 use FeedReaderCentral\Feed;
 use FeedReaderCentral\ItemList;
 use FeedReaderCentral\Security;
 
 include '../start.php';
 
-$db = Data::getConnection();
-Security::verifyUser($db);
+Security::verifyUser();
 
+$db = Configuration::dbConn();
 if (key_exists('refresh', $_GET)) {
     $refreshResult = Feed::refreshAll($db);
     if (key_exists('ok', $refreshResult)) {