fix: favicon dark mode (#359)

index.html

@@ -3,12 +3,11 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <link rel="icon" href="/favicon.svg" type="image/svg+xml">
   <link rel="apple-touch-icon" href="/pwa-192x192.png">
   <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#00aba9">
   <meta name="msapplication-TileColor" content="#00aba9">
   <script>
-    (function() {
+    (function () {
       const prefersDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches
       const setting = localStorage.getItem('vueuse-color-scheme') || 'auto'
       if (setting === 'dark' || (prefersDark && setting !== 'light'))