Add external dashboard screenshots

Adds screenshots to the documentation for increased clarity
6 jobs for 57171-docs in 4 minutes and 11 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #215884308
gitlab-org
danger-review

00:02:41

passed #215884306
gitlab-org
docs lint

00:02:51

passed #215884307
gitlab-org
ee_compat_check

00:03:52

 
  Qa
manual #215884309
allowed to fail manual
package-and-qa
 
  Post Test
passed #215884310
gitlab-org
review-docs-deploy

00:00:18

 
  Post Cleanup
manual #215884312
gitlab-org allowed to fail manual
review-docs-cleanup