Update app.py

adding visitwebpagetool to the app

app.py

@@ -49,8 +49,8 @@ def initialize_agent():
     # Initialize tools
     final_answer = FinalAnswerTool()
     web_search = DuckDuckGoSearchTool(max_results=5)  # Initialize DDG search with 5 results
+    visit_webpage = VisitWebpageTool()
     
-
 # Initialize components
 final_answer = FinalAnswerTool()