feat: Add complete Docker deployment with web-based setup wizard

Major additions:
- Web-based setup wizard (setup.php, setup_wizard.php, setup-wizard.js)
- Production Docker configuration (docker-compose.prod.yml, .env.production)
- Database initialization SQL files (deploy/init_settings.sql)
- Template builder system with drag-and-drop UI
- Advanced features (OAuth, CDN, enhanced analytics, monetization)
- Comprehensive documentation (deployment guides, quick start, feature docs)
- Design system with accessibility and responsive layout
- Deployment automation scripts (deploy.ps1, generate-secrets.ps1)

Setup wizard allows customization of:
- Platform name and branding
- Domain configuration
- Membership tiers and pricing
- Admin credentials
- Feature toggles

Database includes 270+ tables for complete video streaming platform with
advanced features for analytics, moderation, template building, and monetization.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

f_core/f_classes/class.notify.php

@@ -37,7 +37,7 @@ class VNotify
         $this->msg_body  = '';
         $this->msg_alt   = $language['notif.mail.alt.body'];
     }
-    public function queInit($type, $clear_arr, $db_id = '', $na = '')
+    public static function queInit($type, $clear_arr, $db_id = '', $na = '')
     {
         global $cfg, $class_database, $class_filter, $language;
 
@@ -170,12 +170,12 @@ class VNotify
 
     }
     /* str_replace associative arrays */
-    public function strReplaceAssoc(array $replace, $subject)
+    public static function strReplaceAssoc(array $replace, $subject)
     {
         return str_replace(array_keys($replace), array_values($replace), $subject);
     }
     /* adding to que and logging */
-    public function Mailer($mail_type, $mail_key)
+    public static function Mailer($mail_type, $mail_key)
     {
         global $db, $language, $class_database, $cfg, $class_filter;
 
@@ -217,7 +217,7 @@ class VNotify
         return ($dname != '' ? $dname : ($ch_title != '' ? $ch_title : $username));
     }
     /* mailing */
-    public function Mail($section, $type, $_replace = '', $user_notification = '')
+    public static function Mail($section, $type, $_replace = '', $user_notification = '')
     {
         global $cfg, $class_database, $class_filter, $language, $smarty;
         require 'class_phpmailer/vendor/autoload.php';
@@ -1210,7 +1210,7 @@ class VNotify
         }
     }
 
-    public function showNotice($type, $msg, $div_id = 'x_err')
+    public static function showNotice($type, $msg, $div_id = 'x_err')
     {
         global $language;