[Elastic] Database indexer prints its status

CHANGELOG-EE

 Please view this file on the master branch, on stable branches it's out of date.
 
+v 8.8.0 (unreleased)
+  - [Elastic] Database indexer prints its status
+
 v 8.7.0
   - Update GitLab Pages to 0.2.1: support user-defined 404 pages
   - Refactor group sync to pull access level logic to its own class. !306

lib/tasks/gitlab/elastic.rake

@@ -78,11 +78,15 @@ namespace :gitlab do
       [Project, Issue, MergeRequest, Snippet, Note, Milestone].each do |klass|
         klass.__elasticsearch__.create_index!
 
+        print "Indexing #{klass} records... "
+
         if klass == Note
           Note.searchable.import
         else
           klass.import
         end
+
+        puts "done".green
       end
     end