add all SOCIAL links in the metablock

templates/article.html

@@ -5,9 +5,7 @@
 <meta name="description" content="{{ article.summary|striptags|escape }}" />
 <meta name="keywords" content="{{ article.tags|join(', ')|escape }}">
 
-{% if PLUGINS and 'pelican.plugins.activitypub' in PLUGINS %}
-<link rel="alternate" type="application/activity+json" href="{{ SITEURL }}/activitypub/posts/{{ article.slug }}">
-{% endif %}
+{% if PLUGINS and 'pelican.plugins.activitypub' in PLUGINS %}<link rel="alternate" type="application/activity+json" href="{{ SITEURL }}/activitypub/posts/{{ article.slug }}">{% endif %}
 
 {% if article.translations -%}
 <link rel="alternate" href="{{ SITEURL }}/{{ article.url }}" hreflang="{{ article.lang }}" />

templates/author.html

@@ -1,3 +1,8 @@
 {% extends "index.html" %}
+
+{% block meta %}
+{% if PLUGINS and 'pelican.plugins.activitypub' in PLUGINS %}<link rel="alternate" type="application/activity+json" href="{{ SITEURL }}/activitypub/users/{{ author }}">{% endif %}
+{% endblock %}
+
 {% block title %} &ndash; {{ _('Posts by %(name)s', name=author) }}:{% endblock %}
 {% set summarise = True %}

templates/base.html

@@ -115,6 +115,10 @@
     <link rel="pingback" href="{{ PINGBACK_URL }}" />
   {% endif %}
 
+  {% for _, link in SOCIAL%}
+    <link rel="me" href="{{ link }}" />
+  {% endfor %}
+
   {% if not PLUGINS or 'seo' not in PLUGINS %}
     {% if REL_CANONICAL %}
       {% if page %}

templates/tag.html

@@ -1,3 +1,8 @@
 {% extends "index.html" %}
+
+{% block meta %}
+{% if PLUGINS and 'pelican.plugins.activitypub' in PLUGINS %}<link rel="alternate" type="application/activity+json" href="{{ SITEURL }}/activitypub/tags/{{ tag }}">{% endif %}
+{% endblock %}
+
 {% block title %} &ndash; {{ _('Tag %(name)s', name=tag) }}{% endblock %}
 {% set summarise = True %}