Add hero images.

layouts/_shortcodes/more.html

@@ -0,0 +1,8 @@
+<div class="flex cursor-pointer justify-end -mt-4">
+  <a
+    href="{{ .Params.href }}"
+    class="rounded-lg border border-primary-400 px-2 py-[1px] text-s text-primary-700 dark:border-primary-600 dark:text-primary-400 hover:bg-primary-100 dark:hover:bg-primary-800 transition-colors duration-200 hover:rounded-lg"
+  >
+  Read more
+  </a>
+</div>