Add canonical tag (#42)

Author: stefmolin

slides/html/workshop.slides.html

@@ -36,6 +36,10 @@
 <meta content="3200" property="og:image:width"/>
 <meta content="1599" property="og:image:height"/>
 <title>Introduction to Data Analysis Using Pandas workshop slides | Stefanie Molin</title>
+<link
+  rel="canonical"
+  href="https://stefaniemolin.com/pandas-workshop/"
+/>
 <link href="/favicon/site.webmanifest" rel="manifest"/>
 <link href="/favicon/favicon.ico" rel="shortcut icon" type="image/x-icon"/>
 <link href="/favicon/apple-touch-icon.png" rel="apple-touch-icon" sizes="180x180">

slides/templates/larger_font/index.html.j2

@@ -74,6 +74,10 @@
 <meta property="og:image:height" content="1599" />
 
 <title>{{title}} {{nb_title}} slides | Stefanie Molin</title>
+<link
+  rel="canonical"
+  href="https://stefaniemolin.com/{{repo_name}}/"
+/>
 <link rel="manifest" href="/favicon/site.webmanifest" />
 <link rel="shortcut icon" type="image/x-icon" href="/favicon/favicon.ico">
 <link

slides/templates/regular/index.html.j2

@@ -74,6 +74,10 @@
 <meta property="og:image:height" content="1599" />
 
 <title>{{title}} {{nb_title}} slides | Stefanie Molin</title>
+<link
+  rel="canonical"
+  href="https://stefaniemolin.com/{{repo_name}}/"
+/>
 <link rel="manifest" href="/favicon/site.webmanifest" />
 <link rel="shortcut icon" type="image/x-icon" href="/favicon/favicon.ico">
 <link