Update app.py

app.py

@@ -1,16 +1,16 @@
 import gradio as gr
-from components.login_signup import login_signup
-from components.menu_display import menu_page
-from components.item_popup import item_popup
-from components.cart_management import cart_page
-from components.place_order import place_order_page
+from components.login_signup_py import login_signup
+from components.preferences import preferences_page
+from components.menu import menu_page
+from components.cart import cart_page
 from components.order_history import order_history_page
-from components.preferences_allergies import preferences_page
+from components.place_order import place_order_page
 
 def main():
     with gr.Blocks() as app:
         gr.Markdown("# Welcome to BH Restaurant Ordering System")
 
+        # Tabs for different functionalities
         with gr.Tab("Login/Sign-Up"):
             login_signup()