Add user maintenance CLI (#9)

- Add CLI infrastructure
- Add user to index page query
- Strip tags from title
- Move item parsing to FeedItem

src/start.php

@@ -1,18 +1,7 @@
 <?php
 use JetBrains\PhpStorm\NoReturn;
 
-spl_autoload_register(function ($class) {
-    $file = implode(DIRECTORY_SEPARATOR, [__DIR__, 'lib', "$class.php"]);
-    if (file_exists($file)) {
-        require $file;
-        return true;
-    }
-    return false;
-});
-
-require 'user-config.php';
-
-Data::ensureDb();
+require 'app-config.php';
 
 session_start([
     'name'            => 'FRCSESSION',