Fix OG tags - closes #10

_config.yml

@@ -5,7 +5,7 @@
 # Site
 title: Fediverse
 subtitle:
-description: Fediverse Guide
+description: exploring federated networks
 author: lostinlight
 language:
   - en

themes/starter/layout/_partial/head.ejs

@@ -31,7 +31,7 @@
     <link rel="manifest" href="<%- url_for('manifest.json') %>">
     <meta name="theme-color" content="#f4f4f4">
     <link rel="shortcut icon" href="<%- url_for('favicon.ico') %>">
-    <meta property="og:title" content="Fediverse Guide">
+    <meta property="og:title" content="<% if (page.preview) { %><%=page.preview%><% } else { %> <%= config.description %> <% } %>">
     <meta property="og:description" content="<%= config.description %>">
     <meta property="og:image" content="<%= config.url %>/<% if (page.path.match(/post/) && page.banner) { %><%=page.path%><%=page.banner%><% } else { %><%=config.ogImage%><% } %>" />