⚡ improve accessibility and SEO in HTML header

Author: hronro

src/templates/partials/header.eta

@@ -1,5 +1,6 @@
 <meta charset="UTF-8">
-<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+<meta name="description" content="A tool to help you downlaod things with a powerful proxy server(Cloudflare), make you download things faster.">
+<meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="X-UA-Compatible" content="ie=edge">
 <% if (typeof ANALYTICS_TAG === 'string' && ANALYTICS_TAG.length) { %>
 <%~ ANALYTICS_TAG %>