chore: rebuild website [skip ci]

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

@@ -23,7 +23,7 @@
   <meta name="twitter:description" content="KST4Contest manual page: {{ manual.title }}">
   <meta name="twitter:image" content="https://kst4contest.hamradioonline.de/assets/social/kst4contest-og.png">
 
-  <link rel="stylesheet" href="/assets/css/main.css?v=1784583635876">
+  <link rel="stylesheet" href="/assets/css/main.css?v=1784584189255">
   <link rel="alternate" type="application/rss+xml" title="KST4Contest News" href="/feed.xml">
 </head>
 
@@ -385,7 +385,7 @@ flatpak install kst4contest de.x08.KST4Contest//nightly
 <li>known issues,</li>
 <li>a link to the corresponding GitHub Release page.</li>
 </ul>
-<p><img src="update_window.png" alt="KST4Contest update notification"></p>
+<p><img src="/manual/assets/update_window.png" alt="KST4Contest update notification"></p>
 <p>The update checker does not install anything. It reports the new version and opens the platform-neutral release page. From there, you must select the appropriate package for Windows, Linux or macOS.</p>
 <h3 id="updating-windows" tabindex="-1"><a class="header-anchor" href="#updating-windows">Updating Windows</a></h3>
 <ol>