Added scream "tool"

AaAaAAaAaaAaaAaAAaAaaAAaaAaAaAaAaAaAaAAa

app.py

@@ -18,6 +18,16 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+
+@tool
+def scream(intesity:int)-> str:
+    """A tool to scream when asked to.
+    Args:
+        intensity: how long to scream for.
+    """
+    return "AaAaAAaAaAaAaAaaAaAaAaA" * intesity
+    
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.