feat: Implement complete event ticketing system with Stripe integration and email confirmations

- Enhanced events index page with improved visual design and better information display
- Completely redesigned event show page with modern layout, ticket selection, and checkout functionality
- Implemented Stripe payment processing for ticket purchases
- Created ticket generation system with PDF tickets and QR codes
- Added email confirmation system with ticket attachments
- Updated database configuration to use SQLite for easier development setup
- Fixed gem dependencies and resolved conflicts
- Improved error handling throughout the checkout process
- Enhanced Stimulus controller for ticket cart management
- Added proper redirect handling for successful and cancelled payments

app/views/components/_header.html.erb

@@ -8,9 +8,9 @@
 
         <div class="hidden sm:flex space-x-6">
           <%= link_to t("header.parties"), events_path,
-              class: "bg-black text-gray-100 hover:text-purple-200 px-3 py-2 rounded-md text-sm font-medium transition-colors duration-200" %>
+              class: "text-gray-100 hover:text-purple-200 py-2 rounded-md text-sm font-medium transition-colors duration-200" %>
           <%= link_to t("header.concerts"), "#",
-              class: "bg-black text-gray-100 hover:text-purple-200 px-3 py-2 rounded-md text-sm font-medium transition-colors duration-200" %>
+              class: "text-gray-100 hover:text-purple-200 py-2 rounded-md text-sm font-medium transition-colors duration-200" %>
         </div>
       </div>
 
@@ -34,7 +34,7 @@
                   class: "block px-4 py-2 text-sm bg-black text-gray-100 hover:bg-purple-700" %>
               <%= link_to t("header.logout"), destroy_user_session_path,
                   data: { controller: "logout", action: "click->logout#signOut",
-                         logout_url_value: destroy_user_session_path, login_url_value: new_user_session_path, turbo: false },
+                         logout_url_value: destroy_user_session_path, redirect_url_value: "/", turbo: false },
                   class: "block px-4 py-2 text-sm bg-black text-gray-100 hover:bg-purple-700 last:rounded-b-md" %>
             </div>
           </div>