Add new templates for user authentication and management

- Created `unlogged-layout.php` and `unlogged.php` for the login page layout.
- Implemented `main-view.php` for system update management with progress tracking.
- Added `user-2fa.php` for two-factor authentication verification.
- Developed `user-edit.php` for editing user details and privileges.
- Introduced `users-list.php` for displaying and managing user accounts.
- Added `.htaccess` configuration for URL rewriting and security settings.

autoload/front/factory/class.Settings.php

@@ -6,19 +6,19 @@ class Settings
   public static function settings_details()
   {
     global $mdb;
-    
+
     if ( !$settings = \Cache::fetch( 'settings_details' ) )
     {
       $results = $mdb -> select( 'pp_settings', '*' );
       if ( is_array( $results ) ) foreach ( $results as $row )
         $settings[ $row['param'] ] = $row['value'];
-      
+
       \Cache::store( 'settings_details', $settings );
     }
-    
+
     return $settings;
   }
-  
+
   public static function visit_counter()
   {
     global $mdb;