Refresh UI components and showcase; release updated framework packages

examples/component-showcase/app/pages/components/typography.wrn

@@ -118,7 +118,7 @@ page TypographyDetail {
       </aside>
     </div>
     <nav class="detail-pagination">
-      <a href="/components/section-header"><small>Previous</small><strong>← Section Header</strong></a>
+      <a href="/components/section"><small>Previous</small><strong>← Section</strong></a>
       <span></span>
     </nav>
   }