Implement boxes management module with auto-numbered box creation

- Add boxes_crates database table with BIGINT IDs and 8-digit auto-numbered box_numbers
- Implement boxes CRUD operations (add, edit, update, delete, delete_multiple)
- Create boxes route handlers with POST actions for all operations
- Add boxes.html template with 3-panel layout matching warehouse locations module
- Implement barcode generation and printing with JsBarcode and QZ Tray integration
- Add browser print fallback for when QZ Tray is not available
- Simplify create box form to single button with auto-generation
- Fix JavaScript null reference errors with proper element validation
- Convert tuple data to dictionaries for Jinja2 template compatibility
- Register boxes blueprint in Flask app initialization

app/templates/modules/settings/users.html

@@ -30,6 +30,9 @@
                 <a href="{{ url_for('settings.database_settings') }}" class="list-group-item list-group-item-action">
                     <i class="fas fa-database"></i> Database Info
                 </a>
+                <a href="{{ url_for('settings.logs_explorer') }}" class="list-group-item list-group-item-action">
+                    <i class="fas fa-file-alt"></i> Logs Explorer
+                </a>
             </div>
         </div>
         <div class="col-md-9">