Migrate to blag

- Convert old html blogposts to markdown
- Organize things into blag's folder structure
- Adjust html and css templates

templates/article.html

@@ -0,0 +1,27 @@
+{% extends "base.html" %}
+
+{% block title %}{{ title }}{% endblock %}
+
+{% block content %}
+
+  {% if title %}
+  <h2>{{ title }}</h2>
+  {% endif %}
+
+  <aside>
+    <p>published on {{ date.date() }}
+
+    {% if tags %}
+    · tagged with
+      {% for tag in tags|sort(case_sensitive=true) %}
+        {%- if not loop.first and not loop.last %}, {% endif -%}
+        {%- if loop.last and not loop.first %} and {% endif %}
+        <a href="/tags/{{ tag }}.html">#{{ tag }}</a>
+      {%- endfor %}
+    {% endif %}
+    </p>
+  </aside>
+
+  {{ content }}
+
+{% endblock %}