feat: add link to Video Upscaler in index.html and update upscaler page with Google AdSense integration

docs/index.html

@@ -179,6 +179,7 @@
             </div>
             <a class="item" href="./document/">Document</a>
             <a class="item" href="https://github.com/zhw2590582/ArtPlayer">Github</a>
+            <a class="item" href="./upscaler/">Video Upscaler</a>
             <a class="item" href="./llms.txt">🤖LLMs</a>
             <span class="item" href="#">Q群: 320881312</span>
         </div>