Add support for Drupal core search

Author: Pierre Villette

templates/apps/drupal/drupal.j2

@@ -151,6 +151,11 @@ location / {
         open_file_cache_errors off;
     }
 
+    ## Core search support.
+    location ~* (/[[:alpha:]-]+)?/search/.+/.+ {
+        try_files $uri @drupal-no-args;
+    }
+
     ## PDFs and powerpoint files handling.
     location ~* ^.+\.(?:pdf|pptx?)$ {
         expires 30d;