add favicons and meta tags for browser/bookmark support

index-v4.html

@@ -10,6 +10,14 @@
             content="Узнайте, сколько денег теряет ваш бизнес. Анализ каждого звонка с операторами за 24 часа."
         />
 
+        <!-- Favicons -->
+        <link rel="icon" type="image/x-icon" href="/logos/favicon.ico" />
+        <link rel="icon" type="image/png" sizes="32x32" href="/logos/favicon-32x32.png" />
+        <link rel="icon" type="image/png" sizes="16x16" href="/logos/favicon-16x16.png" />
+        <link rel="apple-touch-icon" sizes="180x180" href="/logos/apple-touch-icon.png" />
+        <link rel="manifest" href="/logos/site.webmanifest" />
+        <meta name="theme-color" content="#22c55e" />
+
         <link rel="preconnect" href="https://fonts.googleapis.com" />
         <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
         <link