Update purger docs with latest screenshots and info

Work is happening here: https://github.com/quantcdn/docs/pull/81

Kristen Pol → credited steveworley → .

This has been merged in GitHub and will be merged into the Drupal.org repo soon and will be in the next release.

Automatically closed - issue fixed for 2 weeks with no activity.

Part of 1.6.0 release → .

https://docs.quantcdn.io/docs/integrations/drupal/purger