Make h2 headings on blog posts list pages links

Per default posts listed on list pages don't really have clickable
links. Access with non-graphical browsers is not given - this commit
brings the needed changes to fix this.

layouts/blog/list.html

@@ -68,6 +68,7 @@
   {{- $isHidden := (.Param "cover.hiddenInList") | default (.Param "cover.hidden") | default false }}
   {{- partial "cover.html" (dict "cxt" . "IsSingle" false "isHidden" $isHidden) }}
   <header class="entry-header">
+  <a class="entry-link" aria-label="post link to {{ .Title | plainify }}" href="{{ .Permalink }}">
     <h2 class="entry-hint-parent">
       {{- .Title }}
       {{- if .Draft }}
@@ -79,6 +80,7 @@
       </span>
       {{- end }}
     </h2>
+  </a>
   </header>
   {{- if (ne (.Param "hideSummary") true) }}
   <div class="entry-content">
@@ -90,7 +92,6 @@
     {{- partial "post_meta.html" . -}}
   </footer>
   {{- end }}
-  <a class="entry-link" aria-label="post link to {{ .Title | plainify }}" href="{{ .Permalink }}"></a>
 </article>
 {{- end }}