[meta] Fix list display of tech posts

.gitignore

@@ -1,2 +1,2 @@
-public_html
+public
 hugo

layouts/section/tech.html

@@ -7,7 +7,7 @@
     useful (or at least amusing). Got something to add / correct?
     I' love your feedback.
 
-    <div class="tech-notes clearfix">
+    <div class="tech-notes h-feed clearfix">
     {{ range where .Data.Pages "Section" "tech" }}
     {{ .Render "summary" }}
     {{ end }}

layouts/tech/summary.html

@@ -1,7 +1,3 @@
-<a href="{{.Permalink}}">
-  <h2>{{.Title}}</h2>
-</a>
-<small>{{ .Date.Format "January, 02th 2006" }}</small>
-<hr/>
-{{ .Summary | truncate 200 "" }}
-<a href="{{.Permalink}}">…</a>
+<div class="h-entry">
+<h3><a href="{{.Permalink}}">{{.Title}}</a> (<small>{{ .Date.Format "January, 02th 2006" }}</small>)</h3>
+</div>