add demo page

backend.py

@@ -21,6 +21,7 @@ from oedb.resources.event import event
 from oedb.resources.stats import StatsResource
 from oedb.resources.search import EventSearch
 from oedb.resources.root import root
+from oedb.resources.demo import demo
 
 def create_app():
     """
@@ -49,6 +50,7 @@ def create_app():
     app.add_route('/event/{id}', event)  # Handle single event requests
     app.add_route('/event', event)       # Handle event collection requests
     app.add_route('/stats', stats)       # Handle stats requests
+    app.add_route('/demo', demo)         # Handle demo page requests
     
     logger.success("Application initialized successfully")
     return app