Add list of articles by same author(s) to each article page It is in the form of a carousel

_site/404.html

@@ -44,6 +44,7 @@
     <!-- import local styling & scripts -->
     <script src="/js/global.js"></script>
     <link href="/css/global.css" rel="stylesheet">
+    <script src="/js/top-scroll-button.js"></script>
 </head>
 
     <body>
@@ -107,6 +108,10 @@ Click <a href="/">here</a> to see the articles Reading School’s year 8 student
   <span >&copy; Reading School 2019 | Made by <a href="https://matthew-grove.ml">Matthew Grove</a></span>
 </footer>
 
+            <a href="javascript:scrollUp()" class="top-scroll-button">
+    <img alt="Scroll to top" src="/images/up-arrow.png">
+</a>
+
         </div>
     </body>
     <style>