Use <article> element for example cards

This makes semantic sense.
REF: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/article

site/layouts/partials/examples/main.html

@@ -14,7 +14,7 @@ <h2 id="{{ $entry.category | urlize }}">{{ $entry.category }}</h2>
  {{- $len := len $entry.examples -}}
  {{ if (eq $i 0) }}<div class="row">{{ end }}
  {{ if $entry.external -}}
- <div class="col-md-6 col-lg-4 mb-3 d-flex gap-3">
+ <article class="col-md-6 col-lg-4 mb-3 d-flex gap-3">
  <svg class="bi fs-5 flex-shrink-0 mt-1" aria-hidden="true"><use xlink:href="#box-seam"></use></svg>
  <div>
  <h3 class="h5 mb-1">
@@ -32,9 +32,9 @@ <h3 class="h5 mb-1">
  </a>
  </p>
  </div>
- </div>
+ </article>
  {{ else -}}
- <div class="col-sm-6 col-md-3 mb-3">
+ <article class="col-sm-6 col-md-3 mb-3">
  {{- $exampleNameUrlized := $example.name | urlize -}}
  {{- $exampleUrl := urls.JoinPath "/docs" $.Site.Params.docs_version "/examples" $exampleNameUrlized "/" }}
  <a class="d-block link-offset-1" href="{{ $exampleUrl }}"{{ if in $example.name "RTL" }} hreflang="ar"{{ end }}>
@@ -55,7 +55,7 @@ <h3 class="h5 mb-1">
  </h3>
  </a>
  <p class="text-body-secondary">{{ $example.description }}</p>
- </div>
+ </article>
  {{- end }}
  {{ if (eq (add $i 1) $len) }}</div>{{ end -}}
  {{ end -}}