docs: fix favicon not displayed correctly

docs/.vitepress/config.mts

@@ -7,6 +7,10 @@ const capitalizeFirst = (str) => str.charAt(0).toUpperCase() + str.slice(1)
 export default {
   title: capitalizeFirst(name),
   description,
+  head: [
+    ['link', { rel: 'icon', href: '/logo.png' }],
+    ['link', { rel: 'shortcut icon', href: '/favicon.ico' }]
+  ],
   themeConfig: {
     sidebar: generateSidebar({
       root: 'docs',