fix: use site.title instead of site.name

Author: trollixx

Diff for: _config.yml

@@ -1,4 +1,4 @@
-name: "Zeal"
+title: "Zeal"
 description: "Offline Documentation Browser"
 
 url: "https://zealdocs.org"

Diff for: _includes/head.html

@@ -1,5 +1,5 @@
 <meta charset="utf-8">
-<title>{% if page.title %}{{ page.title }} · {% endif %}{{ site.name }}{% if page.slug == "home" %} - {{ site.description }}{% endif %}</title>
+<title>{% if page.title %}{{ page.title }} · {% endif %}{{ site.title }}{% if page.slug == "home" %} - {{ site.description }}{% endif %}</title>
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha384-HSMxcRTRxnN+Bdg0JdbxYKrThecOKuH5zCYotlSAcp1+c8xmyTe9GYg1l9a69psu" crossorigin="anonymous">