feat: add conversational_utterance and image_generation_tool tools

app.py

@@ -69,7 +69,14 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, web_search, visit_webpage, get_current_time_in_timezone, conversational_utterance],
+    tools=[
+        final_answer, 
+        web_search, 
+        visit_webpage, 
+        get_current_time_in_timezone, 
+        conversational_utterance, 
+        image_generation_tool
+    ],
     max_steps=6,
     verbosity_level=1,
     grammar=None,