Update favicon in index.html from SVG to ICO format for improved compatibility.

Author: Aaron

website/index.html

@@ -28,7 +28,7 @@
             href="https://cdn.jsdelivr.net/gh/jpswalsh/academicons@1/css/academicons.min.css"
         />
         <link rel="stylesheet" href="./static/css/index.css" />
-        <link rel="icon" href="./static/images/favicon.svg" />
+        <link rel="icon" href="./static/images/favicon.ico" />
 
         <style>
             .results-table {