refactor: migrate tags and sitemap to /blog subdirectory

src/_pages/404.njk

@@ -1,18 +0,0 @@
----
-layout: home.njk
-permalink: 404.html
-eleventyExcludeFromCollections: true
----
-<div class="main-content">
-  <p>Cette page n'existe pas !</p>
-
-
-  <p>ous avez fait fausse route ¯\_(ツ)_/¯</p>
-
-  <p><a href="/">Aller à la page d’accueil</a></p>
-
-</div>
-<aside class="right-side">
-  {% include "tagslist.njk" %}
-  {% include "other_links.njk" %}
-</aside>

src/_pages/blog/sitemap/sitemap.njk

@@ -1,5 +1,5 @@
 ---
-permalink: /sitemap.xml
+permalink: /blog/sitemap.xml
 eleventyExcludeFromCollections: true
 ---
 <?xml version="1.0" encoding="utf-8"?>

src/_pages/blog/tags.njk

@@ -12,7 +12,7 @@ pagination:
 layout: home.njk
 eleventyComputed:
   title: Tags “{{ tag }}”
-permalink: /tags/{{ tag | slugify }}/
+permalink: /blog/tags/{{ tag | slugify }}/
 ---
 <div class="main-content">
   <h1>#{{ tag }}</h1>

src/_pages/robots/robots.njk

@@ -1,9 +0,0 @@
----
-permalink: '/robots.txt'
-eleventyExcludeFromCollections: true
----
-
-User-agent: *
-Allow: /
-
-Sitemap: {{ site.url }}/sitemap.xml