ADD mirror_url to simpe project api

app/helpers/projects_helper.rb

@@ -35,6 +35,7 @@ module ProjectsHelper
       tmp_json = tmp_json.merge({
         mirror_status: repo.mirror_status,
         mirror_num: repo.mirror_num,
+        mirror_url: repo.mirror_url,
         first_sync: repo.first_sync?
       })
     end