Coveo: Added language filter to coveo

Author: lamATnginx

layouts/partials/coveo-atomic.html

@@ -20,6 +20,7 @@
       <!-- Facet Section -->
       <atomic-layout-section section="facets">
         <atomic-facet field="f5_product" label="Show by product"></atomic-facet>
+        <atomic-facet field="language" label="Show by language"></atomic-facet>
       </atomic-layout-section>
 
       <!-- Main Section -->