feat: add syntax highlight, Google analytics, Disqus and responseive view

layouts/_default/single.html

@@ -13,8 +13,10 @@
 		<div class="markdown">
 			{{ .Content }}
 		</div>
+
+		{{ partial "disqus.html" . }}
 	</div>
 
 	{{ partial "footer.html" . }}
 </body>
-</html>
+</html>

layouts/index.html

@@ -31,5 +31,6 @@
 		</div>
 	</div>
 	{{ partial "footer.html" . }}
+	{{ template "_internal/google_analytics_async.html" . }}
 </body>
 </html>

layouts/partials/header.html

@@ -12,9 +12,11 @@
 	{{- end -}}
 
 	<meta name="viewport" content="width=device-width, initial-scale=1">
+	{{ template "_internal/opengraph.html" . }}
+	{{ template "_internal/twitter_cards.html" . }}
 
 	<link href="https://fonts.googleapis.com/css?family=Ubuntu:300,400,300italic,400italic|Raleway:500,100,300" rel="stylesheet">
 	<link rel="stylesheet" type="text/css" media="screen" href="/css/normalize.css" />
 	<link rel="stylesheet" type="text/css" media="screen" href="/css/main.css" />
 	<script src="main.js"></script>
-</head>
+</head>