add canonical <link> in header

kwantam · kwantam · commit e9864370c681 · 2015-04-19T03:36:53.000-04:00
diff --git a/index.html b/index.html
@@ -4,6 +4,7 @@
     <meta charset="utf-8"/>
     <link rel="icon" type="image/png" href="unicode-rs_sm.png"/>
     <link rel="stylesheet" type="text/css" href="main.css"/>
+    <link rel="canonical" href="https://unicode-rs.github.io"/>
 </head>
 <body class="rustdoc">
 
