Merge branch 'olm' into 'master'

Add UI elements with OLM

See merge request !27
2 jobs for master in 3 minutes and 13 seconds (queued for 1 second)
Name Stage Failure
failed
GoTest Go Test

Ran 1 of 0 Specs in 0.007 seconds
FAIL! -- 0 Passed | 1 Failed | 0 Pending | 0 Skipped
--- FAIL: TestAPIs (0.01s)
FAIL
FAIL gitlab.cern.ch/drupal/paas/drupalsite-operator/controllers 0.032s
FAIL
Cleaning up file based variables
ERROR: Job failed: exit code 1