refactor: migrate to /blog subdirectory

src/_layouts/article.njk

@@ -0,0 +1,41 @@
+---
+layout: blog.njk
+templateClass: tmpl-post
+---
+<div class="main-content">
+  <h1>{{ title }}</h1>
+
+  <div class="post-metadata">
+    <div class="post-metadata__header">
+      Le <time datetime="{{ page.date | htmlDateString }}">{{ page.date | readableDate }}</time> {{ authors | readableAuthors }}
+    </div>
+    <ul>
+      {%- for tag in tags | filterTagList %}
+      {%- set tagUrl %}/tags/{{ tag | slugify }}/{% endset %}
+      <li><a href="{{ tagUrl }}" class="post-tag">#{{ tag }}</a>{%- if not loop.last %} {% endif %}</li>
+      {%- endfor %}
+    </ul>
+  </div>
+
+  {{ content | safe }}
+
+  <hr>
+
+  {%- if collections.articles %}
+  {# these filters are locale-aware in 2.0.0-canary.14 #}
+  {%- set previousArticle = collections.articles | getPreviousCollectionItem %}
+  {%- set nextArticle = collections.articles | getNextCollectionItem %}
+  {%- if nextArticle or previousArticle %}
+    <nav class="post-nav">
+      <ul>
+        {%- if previousArticle %}<li class="previous">Précédent : <a href="{{ previousArticle.url }}">{{ previousArticle.data.title }}</a></li>{% endif %}
+        {%- if nextArticle %}<li class="next">Suivant : <a href="{{ nextArticle.url }}">{{ nextArticle.data.title }}</a></li>{% endif %}
+      </ul>
+    </nav>
+  {%- endif %}
+  {%- endif %}
+</div>
+<aside class="right-side">
+  {% include "tagslist.njk" %}
+  {% include "other_links.njk" %}
+</aside>