asw-v01: archive deferred content (packs, site, lab, legacy examples)

- 2.1: packs/ -> archive/packs/
- 2.2: site/ -> archive/site/
- 2.3: src/lab/ -> archive/lab/
- 2.4: examples/ -> archive/examples-legacy/ (SSI-based)

archive/site/layouts/_default/list.html

@@ -0,0 +1,26 @@
+{{ define "content" }}
+  <article>
+    <header>
+      <h1>{{ .Title }}</h1>
+      {{- with .Description }}
+      <p>{{ . }}</p>
+      {{- end }}
+    </header>
+
+    {{ .Content }}
+
+    {{ range .Pages }}
+    <article>
+      <header>
+        <h2><a href="{{ .Permalink }}">{{ .Title }}</a></h2>
+        {{- if not .Date.IsZero }}
+        <p data-text="dim">
+          <time datetime="{{ .Date.Format "2006-01-02" }}">{{ .Date.Format "January 2006" }}</time>
+        </p>
+        {{- end }}
+      </header>
+      {{- with .Description }}<p>{{ . }}</p>{{ end }}
+    </article>
+    {{ end }}
+  </article>
+{{ end }}