feat: add search results container to video page

The search results container is added to support dynamic search functionality that will be implemented in JavaScript.

video.html

@@ -279,6 +279,12 @@
                 </div>
             </div>
         </main>
+        
+        <div class="search-results" style="display: none;">
+            <div class="search-results-content">
+                <!-- Search results will be dynamically generated via JS -->
+            </div>
+        </div>
     </div>
 
     <script src="js/script.js"></script>