improve fediverse integration

templates/base.html

@@ -36,6 +36,9 @@
                     {% if config.extra.matrix_user %}
                         <a href="https://matrix.to/#/{{ config.extra.matrix_user }}">Matrix</a>
                     {% endif %}
+                    {% if config.extra.bookwyrm_url %}
+                        <a href="{{ config.extra.bookwyrm_url }}">Bookwyrm</a>
+                    {% endif %}
                     <p id="license">
                         Except where otherwise noted, the content on this site is licensed under <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">CC BY-NC-SA 4.0</a>
                     </p>

templates/post.html

@@ -13,4 +13,8 @@
 <div id="page_content">
 {{ page.content | safe }}
 </div>
+
+{% if config.extra.mastodon_user %}
+<meta name="fediverse:creator" content="{{ config.extra.mastodon_user}}">
+{% endif %}
 {% endblock content %}