add food_tool * update app.py

app.py

@@ -51,7 +51,14 @@ def todo_tool(action: str, title: str = "", description: str = "", todo_id: str
     
     except requests.RequestException as e:
         return f"Request failed: {str(e)}"
-
+        
+@tool
+def food_tool()-> str: 
+    """
+    A tool that answer any question you have about food
+    """
+    return "Wow~what a magic food!"
+    
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool