chore: fix issue

app.py

@@ -14,7 +14,7 @@ st.set_page_config(
 )
 
 st.warning('This is a prototype of a chatbot for Group 28 main algorithm. It is still under development even though the main logic has been completed and run inside terminal', icon="⚠️")
-
+st.caption("A Project done by Group 28")
 
 # Initialize chat history
 if "messages" not in st.session_state:

node.py

@@ -242,6 +242,7 @@ class LibrarySystem:
         self.database.addBorrowedBook(data)
         message = "✅ Book borrowed successfully!"
         send_message(message)
+        st.balloons()
 
     def borrow_book(self):
         send_message("Enter the title of the book to borrow: ")