feat: add Baidu analytics script to upscaler page

docs/upscaler/index.html

@@ -481,6 +481,14 @@
         </footer>
 
         <script src="upscaler.js"></script>
+        <script>
+            var _hmt = _hmt || [];
+            var hm = document.createElement("script");
+            hm.src =
+                "https://hm.baidu.com/hm.js?879b2890d8d025c751785170763ca82b";
+            var s = document.getElementsByTagName("script")[0];
+            s.parentNode.insertBefore(hm, s);
+        </script>
         <script>
             let currentResultBlob = null;
             let currentOriginalUrl = null;