Fix project links

templates/frontpage/blocks/projects.html

@@ -10,14 +10,14 @@
         <div class="card is-shadowless">
           <div class="columns is-centered">
             <figure class="image is-70p">
-              <a href="/projekte/{{ project_section.extra.project_slug }}"><img src="{{ project_section.extra.title_icon }}" alt="Logo {{ project_section.title }}" /></a>
+              <a href="{{ project_section.permalink }}"><img src="{{ project_section.extra.title_icon }}" alt="Logo {{ project_section.title }}" /></a>
             </figure>
           </div>
         </div>
         <div class="card-content">
           <div class="media">
             <div class="media-content">
-              <a href="/projekte/{{ project_section.extra.project_slug }}"><h1 class="title is-4">{{ project_section.title }}</h1></a>
+              <a href="{{ project_section.permalink }}"><h3 class="title is-3">{{ project_section.title }}</h3></a>
             </div>
           </div>