scroll to top button for mobile

views/item-partial-legacy.html

@@ -205,6 +205,7 @@
             </div>
             @endif
         </div>
+        <button class="mobile-scroll-to-top" title="Back to top" aria-label="Scroll to top"><i class="fa-solid fa-chevron-up"></i></button>
         <script id="initial-subscription" type="application/json">{{ isSubscribed }}</script>
 
     </div>

views/item-partial-modern.html

@@ -51,6 +51,8 @@
             </span>
         </div>
 
+        <button class="mobile-scroll-to-top" title="Back to top" aria-label="Scroll to top"><i class="fa-solid fa-chevron-up"></i></button>
+
     </div>
 
     {{-- MAIN CONTENT: media + navigation + metadata --}}