feat: add Primera vez chip to homepage hero

Author: paulacianelli

_includes/default_header.html

@@ -15,6 +15,7 @@ <h2>Sé parte_</h2>
           {{ service[0] }}<img src='/assets/images/arrow.svg' aria-hidden="true" focuseable="false"/>
         </a>
       {% endfor %}
+      <a href="/primera-vez/">Primera vez<img src='/assets/images/arrow.svg' aria-hidden="true" focuseable="false"/></a>
     </div>
   </div>
 </header>