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.

templates/site/layout-logged.php

@@ -69,6 +69,16 @@
                   Lista zamówień
                 </a>
               </li>
+              <li>
+                <a href="/apanel/tickets/">
+                  Cennik
+                </a>
+              </li>
+              <li>
+                <a href="/apanel/settings/">
+                  Ustawienia
+                </a>
+              </li>
               <li>
                 <form action="/apanel/unlogin/" method="POST" class="unlogin">
                   <button type="submit" class="btn-t2">Wylogować się</button>