add mastodon

_config.yml

@@ -42,7 +42,7 @@ social:
   links:
     - https://twitter.com/ToSettoSetto
     - https://instagram.com/ToSettoSetto
-
+    - https://mastodon.art/@tosettosetto
 ## Matomo
 matomo_site_id: '11'
 matomo_container: 'kJUGWiO2'

_data/social.yml

@@ -1,4 +1,8 @@
-
+- name: Mastodon
+  url: https://mastodon.art/@tosettosetto
+  icon: fa-mastodon
+  share_link: 
+  we_have_account: true
 - name: Twitter
   url: https://twitter.com/ToSettoSetto
   icon: fa-twitter

_includes/footer.html

@@ -18,7 +18,7 @@
   <div><img src="{{ relBase }}{{ site.banner-vert }}" width="100%" alt="{{ site.title }} Logo" /></div>
   <div style="text-align: center;">
     {% for nw in site.data.social %}
-    <a target="_blank" alt="{{ site.title }} on {{ nw.name }}" title="{{ site.title }} on {{ nw.name }}" rel="noopener"
+    <a target="_blank" alt="{{ site.title }} on {{ nw.name }}" title="{{ site.title }} on {{ nw.name }}" rel="{% if nw.url contains 'mastodon.art' %}me {% endif %}noopener"
       href="{{ nw.url }}" class="icon small fab {{ nw.icon }}"><span class="label">{{ nw.name }}</span></a>
     {% endfor %}
     <a target="_blank" alt="email" title="email" href="mailto:{{ site.social.mail }}" class="icon small fas fa-envelope-open-text"><span