placeholder in front matter, social media links, open source from github

layouts/_default/opensource.html

@@ -0,0 +1,15 @@
+{{ define "main" }}
+  <h2>{{ .Title }}</h2>
+
+  {{ .Content }}
+  {{ $url := printf "%s/%s/repos" .Site.Params.gh_url .Site.Params.gh_user }}
+  {{ $repos := getJSON $url }}
+  <section class="oss">
+    {{ range $repos }}
+      <article>
+        <h3><a href="{{ .html_url }}">{{ .name }}</a></h3>
+        <p>{{ .description }}</p>
+      </article>
+    {{ end }}
+  </section>
+{{ end }}