content: Replace calls to the code shortcode with fenced code blocks

layouts/shortcodes/code-toggle.html

@@ -72,7 +72,7 @@ Renders syntax-highlighted configuration data in JSON, TOML, and YAML formats.
 <div x-data class="shortcode-code not-prose relative p-0 mt-6 mb-8">
   {{- if $copy }}
     <svg
-      class="absolute right-3 top-12 z-30 text-blue-600 hover:text-blue-500 cursor-pointer w-6 h-6"
+      class="absolute right-4 top-12 z-30 text-blue-600 hover:text-blue-500 cursor-pointer w-6 h-6"
       @click="$copy($refs[$store.nav.userSettings.settings.configFileType])">
       <use href="#icon--copy"></use>
     </svg>

layouts/shortcodes/code.html

@@ -1,38 +0,0 @@
-{{- $codeLang := or (.Get "lang") "" }}
-<div
-  x-data
-  class="shortcode-code font-mono not-prose relative mt-6 mb-8 border-1 border-gray-200 dark:border-gray-800 bg-light dark:bg-dark">
-  {{ if (.Get "copy") }}
-    <svg
-      class="absolute right-4 top-2 z-30 text-blue-600 hover:text-blue-500 cursor-pointer w-6 h-6"
-      @click="$copy($refs.code)">
-      <use href="#icon--copy"></use>
-    </svg>
-  {{ end }}
-  {{- with .Get "file" -}}
-    {{- if not $codeLang }}
-      {{- $ext := strings.TrimPrefix "." (path.Ext .) }}
-      {{- $codeLang = cond (eq $ext "html") "go-html-template" $ext }}
-    {{- end }}
-    <div
-      class="san-serif text-sm inline-block leading-none pl-2 py-3 bg-gray-300 dark:bg-slate-700 dark: w-full select-none
-">
-      {{ . }}
-    </div>
-  {{- end -}}
-
-
-  <div class="" x-ref="code">
-    {{ $inner := trim .Inner "\n" | safeHTML }}
-    {{ if .Get "nocode" }}
-      {{ $inner }}
-    {{ else }}
-      {{ with $codeLang }}
-        {{ highlight $inner . "" }}
-      {{ else }}
-        <pre class="overflow-x-auto p-2 w-[93%]"><code>{{ $inner }}</code>
-        </pre>
-      {{ end }}
-    {{ end }}
-  </div>
-</div>