Add public page patterns scaffold

index.html

@@ -54,6 +54,7 @@
         <li><a href="./patterns/multiselektions-pulldown.html">Multiselektions-Pulldown</a></li>
         <li><a href="./patterns/text-layouts.html">Text Layouts</a></li>
         <li><a href="./patterns/delete-confirmation-overlay.html">Overlay Card</a></li>
+        <li><a href="./patterns/public-page-patterns.html">Public Page Patterns</a></li>
       </ul>
     </section>