Add a JSON output format to single pages so they can be fetched async with JS

layouts/_default/single.html

@@ -3,41 +3,7 @@
 {{ end }}
 
 {{ define "main" }}
-<article class="post-single">
-  <header>
-    {{ partial "development/draft_tag.html" . }}
-    <div class="post-title">
-      <h1>{{ .Title }}</h1>
-      <div class="post-date"><time>{{ .Date | time.Format "January 2, 2006" }}</time></div>
-    </div>
-  </header>
-  <section class="post-content">
-    {{ .Content }}
-  </section>
-
-  <!-- Post Tags -->
-  {{ if .Params.tags }}
-  <footer>
-    <ul class="post-tags">
-    {{ range .Params.tags }} {{ $href := print (absURL "tags/") (urlize .) }}
-      <li><a href="{{ $href }}">{{ . }}</a></li>
-    {{ end }}
-    </ul>
-  </footer>
-  {{ end }}
-
-  <!-- Post Nav -->
-  {{ $pages := where site.RegularPages "Type" "in" site.Params.mainSections }}<!---->
-  {{ if and (gt (len $pages) 1) (in $pages . ) }}
-  <nav class="post-nav">
-    {{ with $pages.Next . }}
-    <a class="prev" href="{{ .Permalink }}"><span>←</span><span>{{ .Name }}</span></a>
-    {{ end }} {{ with $pages.Prev . }}
-    <a class="next" href="{{ .Permalink }}"><span>{{ .Name }}</span><span>→</span></a>
-    {{ end }}
-  </nav>
-  {{ end }}
-</article>
+{{ partial "single_main.html" . }}
 {{ end }}
 
 {{ define "styles" }}