feat: add microsoft webmaster tools meta tag

index.html

@@ -8,17 +8,18 @@
   <meta name="description" content="260+ Flag-icons for Svelte." />
   <meta name="viewport"
     content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
-    <link rel="stylesheet" href="static/css/vue.css" />
-    <link rel="canonical" href="https://shinokada.github.io/svelte-flag-icons/" />
-    <link rel="manifest" href="manifest.webmanifest">
-    <meta name="theme-color" content="#ffffff" />
-    <link rel="shortcut icon" href="static/favicon.ico" type="image/x-icon">
-    <link rel="icon" href="static/favicon.ico" type="image/x-icon">
-    <link rel="apple-touch-icon" href="static/apple-touch-icon.png">
-    <link rel="android-chrome-192x192" type="image/png" sizes="192x192" href="static/android-chrome-192x192.png">
-    <link rel="android-chrome-512x512" type="image/png" sizes="512x512" href="static/android-chrome-512x512.png">
-    <link rel="favicon-16x16" type="image/png" sizes="16x16" href="static/favicon-16x16.png">
-    <link rel="favicon-32x32" type="image/png" sizes="16x16" href="static/favicon-32x32.png">
+  <meta name="msvalidate.01" content="A83CFA5CF70F4678325294ED25F448C4" />
+  <link rel="stylesheet" href="static/css/vue.css" />
+  <link rel="canonical" href="https://shinokada.github.io/svelte-flag-icons/" />
+  <link rel="manifest" href="manifest.webmanifest">
+  <meta name="theme-color" content="#ffffff" />
+  <link rel="shortcut icon" href="static/favicon.ico" type="image/x-icon">
+  <link rel="icon" href="static/favicon.ico" type="image/x-icon">
+  <link rel="apple-touch-icon" href="static/apple-touch-icon.png">
+  <link rel="android-chrome-192x192" type="image/png" sizes="192x192" href="static/android-chrome-192x192.png">
+  <link rel="android-chrome-512x512" type="image/png" sizes="512x512" href="static/android-chrome-512x512.png">
+  <link rel="favicon-16x16" type="image/png" sizes="16x16" href="static/favicon-16x16.png">
+  <link rel="favicon-32x32" type="image/png" sizes="16x16" href="static/favicon-32x32.png">
   <style>
     .markdown-section {
       max-width: 700px;