Add rich social sharing support

templates/devlog-entry.html

@@ -1,5 +1,10 @@
 {% extends "base.html" %}
 {% from "macros/tag-links.html" import taxonomy_labels with context %}
+{% from "macros/social-sharing.html" import social_metadata, share_controls with context %}
+{% block social_head %}
+  {% set social_project = this.parent.parent %}
+  {{ social_metadata(this, 'TechArticle', 'article', social_project) }}
+{% endblock %}
 {% block body %}
 {% set project = this.parent.parent %}
 {% set siblings = this.get_siblings() %}
@@ -28,6 +33,8 @@
     {{ this.body }}
   </div>
 
+  {{ share_controls(this, 'development note', project) }}
+
   <nav class="devlog-navigation" aria-label="Development log chronology">
     {% if siblings.prev_page %}
     <a class="devlog-navigation-link" href="{{ siblings.prev_page|url }}"><span>← Older entry</span><strong>{{ siblings.prev_page.title }}</strong></a>