update favicon and rename file with old name

index.html

@@ -2,9 +2,11 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8">
-    <link rel="icon" href="/favicon.ico">
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg">
+    <link rel="alternate icon" type="image/png" href="/favicon.png">
+    <link rel="icon" type="image/x-icon" href="/favicon.ico">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Welcome to Vuetify 3</title>
+    <title>Studspider</title>
   </head>
   <body>
     <div id="app"></div>