Update src/app.py

src/app.py

@@ -396,7 +396,7 @@ def main():
                 </p>
             </div>
             <div class="hero-right">
-                <img src="hero.png" alt="TruthCheck Illustration">
+                <img src="https://www.freepik.com/free-vector/false-information-broadcasting-press-newspaper-journalists-editors-fake-news-junk-news-content-disinformation-media-concept-illustration_11669710.htm#fromView=search&page=1&position=1&uuid=211fd90c-f9e2-4388-b167-c382e5f996f0&query=fake+news+detector">
             </div>
         </div>
     </div>