Add an option to make the similar cards an infinite scrolling gallery. add a button to each card when you mouse over or tap to search similar cards, make sure there are no duplicates by name in the list

index.html

@@ -1085,7 +1085,10 @@
                 </div>
             </div>
             <div id="gallery" class="gallery-grid max-w-7xl mx-auto"></div>
-        </div>
+            <div id="gallery-loading" class="text-center py-8 hidden">
+                <div class="loading-ring mx-auto"></div>
+            </div>
+</div>
         
         <!-- Search Results Section (Initially Hidden) -->
         <div id="search-results-section" class="hidden">