Add repo link, remove prev and next buttons

mkdocs.yml

@@ -4,6 +4,7 @@ site_url: https://events.ccc.de/camp/2023/infos/
 site_dir: public
 use_directory_urls: false
 strict: true
+repo_url: https://git.cccv.de/infra/static-pages/camp2023-infos
 
 extra_css:
   - css/camp2023-style.css

theme_customization/versions.html

+<div class="rst-versions" role="note" aria-label="{% trans %}Versions{% endtrans %}">
+  <span class="rst-current-version" data-toggle="rst-current-version">
+    <span>
+      <a href="{{ config.repo_url }}" class="icon icon-gitlab" style="color: #fcfcfc"> Source</a>
+    </span>
+  </span>
+</div>
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