Add optional page description/subheading

themes/kosmos-22/layouts/_default/section.html

@@ -5,6 +5,9 @@
   <div class="max-w-5xl mx-auto -mt-12 py-8 px-8 text-left bg-white">
   <header class="mb-8">
     <h2 class="text-2xl font-bold">{{ .Title }}</h1>
+    {{ if .Description }}
+    <p class="mt-2 text-lg text-zinc-500">{{ .Description }}</p>
+    {{ end }}
   </header>
   <div class="content">
     {{ .Content }}