Merge branch 'redirect-hashes' into 'develop'

feat: forward hash in redirection

See merge request R3/howto-cards!79

_layouts/redirect.html

@@ -3,7 +3,10 @@
   <meta charset="utf-8">
   <title>Redirecting&hellip;</title>
   <link rel="canonical" href="{{ page.redirect.to }}">
-  <script>document.location.replace("{{ page.redirect.to }}");</script>
+  <script>
+    var URLtoRedirect = "{{ page.redirect.to }}" + document.location.hash;
+    document.location.replace(URLtoRedirect);
+  </script>
   <meta http-equiv="refresh" content="3; url={{ page.redirect.to }}">
   <meta name="robots" content="noindex">
   <h1>Redirecting&hellip;</h1>