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.payment.php

@@ -18,7 +18,7 @@ defined('_ISVALID') or header('Location: /error');
 class VPayment extends VSignup
 {
     /* check for expired subscription */
-    public function checkSubscription($user_id)
+    public static function checkSubscription($user_id)
     {
         global $class_database, $class_redirect, $cfg;
 
@@ -34,7 +34,7 @@ class VPayment extends VSignup
         }
     }
     /* get and assign membership types */
-    public function getPackTypes($paid = '0')
+    public static function getPackTypes($paid = '0')
     {
         global $db, $smarty;
         switch ($paid) {
@@ -46,7 +46,7 @@ class VPayment extends VSignup
         $smarty->assign('memberships', $q->getrows());
     }
     /* check if membership db entry is active */
-    public function checkActivePack($pack_id)
+    public static function checkActivePack($pack_id)
     {
         global $class_database;
         $active = $class_database->singleFieldValue('db_packtypes', 'pk_active', 'pk_id', intval($pack_id));
@@ -58,14 +58,14 @@ class VPayment extends VSignup
 
     }
     /* get membership id */
-    public function getPackID($user_id)
+    public static function getPackID($user_id)
     {
         global $db;
         $q = $db->execute(sprintf("SELECT `pk_id` FROM `db_packusers` WHERE `usr_id`='%s' LIMIT 1;", intval($user_id)));
         return $q->fields['pk_id'];
     }
     /* get membership name */
-    public function getUserPack($user = '')
+    public static function getUserPack($user = '')
     {
         global $db, $smarty;
         switch ($user) {
@@ -77,13 +77,13 @@ class VPayment extends VSignup
         return $q->fields['pk_name'];
     }
     /* update free account usage */
-    public function updateFreeUsage($user_id)
+    public static function updateFreeUsage($user_id)
     {
         global $db;
         $q = $db->execute(sprintf("UPDATE `db_accountuser` SET `usr_free_sub`='1', `usr_active`='1', `usr_status`='1' WHERE `usr_id`='%s' LIMIT 1;", intval($user_id)));
     }
     /* update free account membership after registration */
-    public function updateFreeAccount($pk_id, $expire_time, $user_id)
+    public static function updateFreeAccount($pk_id, $expire_time, $user_id)
     {
         global $db, $class_database;
 
@@ -99,7 +99,7 @@ class VPayment extends VSignup
         }
     }
     /* updating free membership registration */
-    public function updateFreeEntry()
+    public static function updateFreeEntry()
     {
         global $db, $class_database, $language, $cfg;
         $user_id    = intval(base64_decode($_POST['usr_id']));
@@ -126,7 +126,7 @@ class VPayment extends VSignup
         }
     }
     /* payment setup */
-    public function preparePayment()
+    public static function preparePayment()
     {
         global $db, $cfg, $class_smarty, $language, $smarty;
 
@@ -165,7 +165,7 @@ class VPayment extends VSignup
         die;
     }
     /* confirm before submitting payment */
-    public function continuePayment()
+    public static function continuePayment()
     {
         global $db, $smarty, $language, $cfg;
         $q           = $db->execute(sprintf("SELECT * FROM `db_packtypes` WHERE `pk_id`='%s';", intval(base64_decode($_POST['pk_id']))));
@@ -194,7 +194,7 @@ class VPayment extends VSignup
         $smarty->display('tpl_frontend/tpl_auth/tpl_payment_confirm.tpl');
     }
     /* process payment */
-    public function doPayment($action)
+    public static function doPayment($action)
     {
         global $db, $cfg, $language, $class_smarty, $smarty, $class_database;
 
@@ -362,7 +362,7 @@ class VPayment extends VSignup
         }
     }
     /* check discount code */
-    public function discountCheck()
+    public static function discountCheck()
     {
         global $class_filter, $db;
 
@@ -378,7 +378,7 @@ class VPayment extends VSignup
         }
     }
     /* text for membership durations */
-    public function packWords($pk_period)
+    public static function packWords($pk_period)
     {
         global $language, $smarty;
 
@@ -389,7 +389,7 @@ class VPayment extends VSignup
         return $words_array[$words_key[0]];
     }
     /* membership select list options */
-    public function buildSelectOptions($pk_period)
+    public static function buildSelectOptions($pk_period)
     {
         global $cfg, $smarty, $language;