Update index.md

Author: LSafer

index.md

@@ -6,7 +6,7 @@
               let link = top.document.createElement("link");
               link.type = "image/x-icon";
               link.rel = "shortcut icon";
-              link.href = "/favicon.ico";
+              link.href = "https://cufyorg.github.io/favicon.ico";
               top.document.getElementsByTagName("head")[0].appendChild(link);
             };
         </script>