app/views/json/enumeration/config_backups.erb
"config_backups": {
<% unless @config_backups.empty? -%>
<% last_index = @config_backups.size - 1 -%>
<% @config_backups.each_with_index do |config_backup, index| -%>
<%= config_backup.url.to_json %>: {
<%= render('@finding', item: config_backup) -%>
}<% unless index == last_index -%>,<% end -%>
<% end -%>
<% end -%>
},