Update "Go to start page" link

Changed the href attribute for the "Go to start page" link in index.html. Previously, it was redirecting to the home ('/') url, but now it has been updated to navigate to the '#start' section on the same page.

index.html

@@ -48,7 +48,7 @@
 
                     <div class="flex flex-wrap gap-3 mt-5">
                         <a href='#year2024' class="px-2 py-1 text-gray-50 bg-gray-800 rounded-lg">Go to current year</a>
-                        <a href='/' class="px-2 py-1 text-gray-50 bg-gray-800 rounded-lg">Go to start page</a>
+                        <a href='#start' class="px-2 py-1 text-gray-50 bg-gray-800 rounded-lg">Go to start page</a>
                     </div>
                 </div>
             </div>