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)

site/layouts/_default/single.html

@@ -1,39 +0,0 @@
-{{ define "content" }}
-  <article>
-    <header>
-      <h1>{{ .Title }}</h1>
-      {{- with .Description }}
-      <p>{{ . }}</p>
-      {{- end }}
-      {{- if or (not .Date.IsZero) .Params.author }}
-      <p data-text="dim">
-        {{- if not .Date.IsZero -}}
-        <time datetime="{{ .Date.Format "2006-01-02" }}">{{ .Date.Format "January 2, 2006" }}</time>
-        {{- end -}}
-        {{- if and (not .Date.IsZero) .Params.author }} · {{ end -}}
-        {{- with .Params.author }}{{ . }}{{ end -}}
-      </p>
-      {{- end }}
-      {{- with .GetTerms "tags" }}
-      <nav aria-label="Tags">
-        {{- range . }}
-        <a href="{{ .Permalink }}">#{{ .Name }}</a>
-        {{- end }}
-      </nav>
-      {{- end }}
-    </header>
-
-    {{ .Content }}
-
-    {{- if or .PrevInSection .NextInSection }}
-    <footer data-role="prev-next">
-      {{- with .PrevInSection }}
-      <a href="{{ .RelPermalink }}" rel="prev"><span aria-hidden="true">←</span> {{ .LinkTitle }}</a>
-      {{- end }}
-      {{- with .NextInSection }}
-      <a href="{{ .RelPermalink }}" rel="next">{{ .LinkTitle }} <span aria-hidden="true">→</span></a>
-      {{- end }}
-    </footer>
-    {{- end }}
-  </article>
-{{ end }}