Adding tools to array

Adding the tool names to the array, so the agent can use them.

app.py

@@ -61,7 +61,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[verify_string_length, get_current_time_in_timezone, final_answer], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,