fix: add aria-current=page to breadcrumb current item

Author: paulacianelli

_layouts/primera-vez.html

@@ -10,7 +10,7 @@
         <ol class="pv-breadcrumb__trail">
           <li><a href="/">Ruby UY</a></li>
           <li><span class="sep" aria-hidden="true">›</span></li>
-          <li><span class="pv-breadcrumb__current">Primera vez</span></li>
+          <li><span class="pv-breadcrumb__current" aria-current="page">Primera vez</span></li>
         </ol>
       </div>
     </nav>