Reindex elasticsearch rake task

lib/tasks/search.rake

@@ -4,4 +4,9 @@ namespace :search do
   task create: :environment do
     Crop.__elasticsearch__.create_index! force: true
   end
+
+  desc 'Refresh elastic search index'
+  task refresh: :environment do
+  	Crop.__elasticsearch__.refresh_index!
+  end
 end