Add social page with archived mastodon posts, move source to /site

blog.njk

@@ -1,25 +0,0 @@
----
-pagination:
-  data: i18n
-  size: 1
-  alias: langKey
-permalink: "/{{ langKey }}/blog/index.html"
-layout: base.njk
-title: Adrian Victor:Blog
----
-
-<main>
-  <p><b>{{ i18n[langKey].blogTitle | smartTitle }}</b></p>
-  <ul>
-    {% for post in collections.post %}
-      {% if post.data.langKey == langKey %}
-        <li>
-          <p>
-            <a class="postLink" href="{{ post.url | url }}">{{ post.data.postTitle }}</a><br>
-            <b>{{ post.data.date | postDate }}</b>{% if post.data.lastModified | postDate !==  post.data.date | postDate %} ({{ i18n[langKey].lastEditedIn }} {{ post.data.lastModified | postDate}}){% endif %}
-          </p>
-        </li>
-      {% endif %}
-    {% endfor %}
-  </ul>
-</main>