Add initial files and database migration for ticket pricing system

- Created new directories and index files for controls, factory, and views.
- Added .htaccess files for URL rewriting in layout and images directories.
- Included a logo image in the layout/images directory.
- Implemented load_prices.php to load ticket prices from the database into settings.
- Developed admin panel settings page for enabling ticket sales.
- Created tickets management page in the admin panel to display and edit ticket prices.
- Added upgrade.php for database migrations, including creating the ticket_prices table and adding weekend price column.

upgrade.php

@@ -0,0 +1,49 @@
+<?php
+error_reporting(E_ALL);
+ini_set('display_errors', 1);
+header('Content-Type: text/plain; charset=utf-8');
+
+require_once 'config.php';
+require_once 'libraries/medoo/medoo.php';
+
+$mdb = new medoo([
+  'database_type' => 'mysql',
+  'database_name' => $database['name'],
+  'server'        => $database['host'],
+  'username'      => $database['user'],
+  'password'      => $database['password'],
+  'charset'       => 'utf8'
+]);
+
+$migrations = [
+
+  'ticket_prices' => "CREATE TABLE IF NOT EXISTS ticket_prices (
+    ticket_id VARCHAR(100) PRIMARY KEY,
+    price DECIMAL(10,2) DEFAULT NULL,
+    price_weekend DECIMAL(10,2) DEFAULT NULL,
+    dynamic_price_day0 DECIMAL(10,2) DEFAULT NULL,
+    dynamic_price_day1_2 DECIMAL(10,2) DEFAULT NULL,
+    dynamic_price_day3_7 DECIMAL(10,2) DEFAULT NULL,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+  ) ENGINE=InnoDB DEFAULT CHARSET=utf8",
+
+  'ticket_prices_add_price_weekend' => "ALTER TABLE ticket_prices ADD COLUMN IF NOT EXISTS price_weekend DECIMAL(10,2) DEFAULT NULL AFTER price",
+
+];
+
+$ok = 0;
+$errors = 0;
+
+foreach ($migrations as $name => $sql) {
+  $result = $mdb->query($sql);
+  if ($result !== false) {
+    echo "[OK] $name\n";
+    $ok++;
+  } else {
+    $err = $mdb->error();
+    echo "[BLAD] $name: " . (is_array($err) ? end($err) : $err) . "\n";
+    $errors++;
+  }
+}
+
+echo "\nGotowe: $ok OK, $errors bledow.\n";