Introduce feature content model

website/_site/manual/en/installation/index.html

@@ -42,7 +42,7 @@
     <h1>Installation</h1>
     <h1 id="installation" tabindex="-1"><a class="header-anchor" href="#installation">Installation</a></h1>
 <blockquote>
-<p>🇬🇧 You are reading the English version | 🇩🇪 <a href="de-Installation">Deutsche Version</a></p>
+<p>🇬🇧 You are reading the English version | 🇩🇪 <a href="/manual/de/installation/">Deutsche Version</a></p>
 </blockquote>
 <h2 id="prerequisites" tabindex="-1"><a class="header-anchor" href="#prerequisites">Prerequisites</a></h2>
 <p>An resolution of 1200px by 720px is recommended</p>