Fix web search output to use 'href' instead of 'url' for result links in agent.py

agent.py

@@ -45,7 +45,7 @@ def web_search(keywords: str, max_results:int = 5) -> str:
         output = ""
         results = ddgs.text(keywords, max_results = max_results)
         for result in results:
-            output += f"Results: {result['title']}\n{result['body']}\n{result['url']}\n\n"
+            output += f"Results: {result['title']}\n{result['body']}\n{result['href']}\n\n"
         return(output)