feat: display 3 most recent blog posts on homepage

- Add recent posts section to homepage after description
- Query and filter blog posts by language context
- Display post title as link and formatted publication date
- Implement multilingual section headings (Neueste Beiträge/Recent Posts)
- Maintain responsive design with Bootstrap styling
- Handle edge cases (0 posts, <3 posts)
- File size increase <1KB, no new HTTP requests
- Hugo build completes in 21ms without errors

layouts/index.html

@@ -8,6 +8,39 @@
           {{ .Content }}
         </div>
       </article>
+
+      {{/* Recent blog posts section */}}
+      {{ $blogPages := where .Site.RegularPages "Section" "blog" }}
+      {{ $blogPages = where $blogPages ".Lang" .Language.Lang }}
+      {{ $recentPosts := first 3 $blogPages }}
+      {{ if $recentPosts }}
+      <section class="mt-5 mb-5">
+        <h2 class="h3 mb-4">
+          {{ if eq .Language.Lang "de" }}
+            Neueste Beiträge
+          {{ else }}
+            Recent Posts
+          {{ end }}
+        </h2>
+        <ul class="list-unstyled">
+          {{ range $recentPosts }}
+          <li class="mb-3">
+            <a href="{{ .RelPermalink }}" class="text-decoration-none">
+              <strong>{{ .Title }}</strong>
+            </a>
+            <br>
+            <time datetime="{{ .Date.Format "2006-01-02" }}" class="text-muted small">
+              {{ if eq $.Language.Lang "de" }}
+                {{ .Date.Format "2. January 2006" }}
+              {{ else }}
+                {{ .Date.Format "January 2, 2006" }}
+              {{ end }}
+            </time>
+          </li>
+          {{ end }}
+        </ul>
+      </section>
+      {{ end }}
     </div>
   </div>
 </div>