update blog layout

content/blog/17-18/cscbe.md

@@ -2,6 +2,7 @@
 author: David Vandorpe
 title: 'Cyber Security Challenge 2018: Radium'
 created_at: 08/03/2018
+description: A writeup of one of the Cyber Security Challenge's more difficult tasks
 toc: true
 ---
 

layouts/blogpost.erb

@@ -1,9 +1,11 @@
 <% content_for :head do %>
 <meta property="og:title" content="<%= item[:title] %>" />
 <meta property="og:type" content="article" />
+<meta property="og:image" content="" />
 <meta property="og:url" content="<%= url_for(item) %>" />
 <meta property="og:description" content="<%= item[:description] %>" />
 <meta property="og:site_name" content="Zeus WPI" />
+<meta property="article:author" content="<%= @item[:author] %>">
 <meta name="twitter:label1" value="Author" />
 <meta name="twitter:data1" value="<%= @item[:author] %>" />
 <meta name="twitter:label2" value="Created at" />