If a blog article has a canonical URI set, link to it

Tim Bannister · Tim Bannister · commit 43a7be6495c4 · 2020-10-01T17:47:45.000+01:00
This change lets us point search engines to the original article when we mirror them from https://k8s.dev/ and potentially from other sites too.
diff --git a/layouts/blog/baseof.html b/layouts/blog/baseof.html
@@ -4,6 +4,9 @@
     {{ partial "head.html" . }}
     <title>{{ if .IsHome }}{{ .Site.Title }}{{ else }}{{ with .Title }}{{ . }} | {{ end }}{{ .Site.Title }}{{ end }}</title>
     <script defer src="https://use.fontawesome.com/releases/v5.0.6/js/all.js"></script>
+    {{ with .Params.canonicalUrl }}
+    <link rel="canonical" href="{{ . }}">
+    {{ end }}
   </head>
   <body class="td-{{ .Kind }} td-blog">
     <header>
