Coveo: Added new 'result/document type' facet to coveo (#291)

Author: lamATnginx

layouts/partials/coveo-atomic.html

@@ -21,6 +21,7 @@
       <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-facet field="f5_document_type" label="Show by type"></atomic-facet>
       </atomic-layout-section>
 
       <!-- Main Section -->