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.

load_prices.php

@@ -0,0 +1,29 @@
+<?php
+// Ladowanie cen biletow z bazy danych do $settings['tickets']
+// Wymaga: $mdb (Medoo), $settings['tickets'] (struktura z config.php)
+
+$_dbStmt = $mdb->query('SELECT * FROM ticket_prices');
+$_dbPrices = [];
+if ($_dbStmt) {
+  foreach ($_dbStmt->fetchAll(\PDO::FETCH_ASSOC) as $_row) {
+    $_dbPrices[$_row['ticket_id']] = $_row;
+  }
+}
+
+foreach ($settings['tickets'] as $tid => &$_ticket) {
+  if (isset($_dbPrices[$tid])) {
+    $_r = $_dbPrices[$tid];
+    $_ticket['price'] = (float) ($_r['price'] ?? 0);
+    $_ticket['price_weekend'] = (float) ($_r['price_weekend'] ?? 0);
+    $_ticket['dynamic_prices'] = [
+      'day0' => (float) ($_r['dynamic_price_day0'] ?? 0),
+      'day1_2' => (float) ($_r['dynamic_price_day1_2'] ?? 0),
+      'day3_7' => (float) ($_r['dynamic_price_day3_7'] ?? 0),
+    ];
+  } else {
+    $_ticket['price'] = $_ticket['price'] ?? 0;
+    $_ticket['price_weekend'] = $_ticket['price_weekend'] ?? 0;
+    $_ticket['dynamic_prices'] = $_ticket['dynamic_prices'] ?? ['day0' => 0, 'day1_2' => 0, 'day3_7' => 0];
+  }
+}
+unset($_ticket, $_dbStmt, $_dbPrices, $_r);