add wiki

agent.py

@@ -144,7 +144,7 @@ def restart_required(state: AgentState) -> AgentState:
 #     return {"messages": messages + [response]}
 
 # Augment the LLM with tools
-tools = [web_search]
+tools = [web_search,wiki_search]
 tools_by_name = {tool.name: tool for tool in tools}
 model_with_tools = model.bind_tools(tools)