showcase: Shuffle the news items

To give them all some time in the spotlight.

themes/gohugoioTheme/layouts/partials/home-page-sections/showcase.html

@@ -4,7 +4,7 @@
   <div class="w-100">
     <div class="w-100 overflow-x-scroll">
       <div class="row nowrap mv2 pb1">
-        {{ range $p := first 10 (where .Site.RegularPages "Section" "showcase") }}
+        {{ range $p := first 10 (where .Site.RegularPages "Section" "showcase" | shuffle) }}
         {{ $img := (.Resources.ByType "image").GetMatch "*featured*" }}
         {{ with $img }}
         {{ $big := .Fill "1024x512 top" }}

themes/gohugoioTheme/layouts/showcase/list.html

@@ -9,7 +9,7 @@
     </div>
   </article>
     <section class="flex-ns flex-wrap justify-between w-100 v-top">
-      {{ range (.Paginator 20).Pages  }}
+      {{ range (.Paginate (.Pages | shuffle ) 20).Pages  }}
         {{template "showcase_items" .}}
       {{ end }}
     </section>