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>

docs/upscaler/index.html

@@ -6,6 +6,7 @@
             name="viewport"
             content="width=device-width, initial-scale=1.0, viewport-fit=cover"
         />
+        <meta name="google-adsense-account" content="ca-pub-8579453810848662" />
         <title>
             Free AI Video Upscaler - Enhance Video Quality Online | ArtPlayer
         </title>
@@ -40,6 +41,11 @@
             name="twitter:description"
             content="Upscale videos with AI super resolution directly in your browser. Free, private, no upload needed."
         />
+        <script
+            async
+            src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8579453810848662"
+            crossorigin="anonymous"
+        ></script>
         <script src="https://cdn.tailwindcss.com"></script>
         <script>
             tailwind.config = {