implement logout route

index.php

···
   'setTheme' => array_key_exists('sbs_theme', $_COOKIE) ? $_COOKIE['sbs_theme'] : DEFAULT_THEME,
   'setFont' => array_key_exists('sbs_font', $_COOKIE) ? $_COOKIE['sbs_font'] : DEFAULT_FONT,
   'userAuth' => Flight::get('userAuth'),
+  'userPds' => Flight::get('userPds'),
+  'userInfo' => Flight::Get('userInfo'),
   'favFeeds' => $favoriteFeeds,
   'pages' => PAGES,
   'links' => LINKS,
···
     ]));
     die(1);
   }
+});
+
+Flight::route('/logout', function(): void {
+  unset($_SESSION['sbs_'.SITE_DOMAIN]);
+  unset($_SESSION['sbs_'.SITE_DOMAIN.'_pds']);
+  unset($_SESSION['sbs_'.SITE_DOMAIN.'_userinfo']);
+  header('Location: https://'.SITE_DOMAIN);
 });
 
 Flight::route('/createaccount', function(): void {

templates/_partials/nav.latte

···
 <nav>
   <ul>
     {if $userAuth}
-      <li><a href="/">profile</a></li>
+      <li><a href="/u/{$userInfo->handle}">profile</a></li>
       <li><a href="/settings">settings</a></li>
       <li><a href="/logout">log out</a></li>
     {else}