Merge branch 'docs-list-alignment-3' into 'master'

Update whitespace usage across admin, install, update docs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/140967



Merged-by: Achilleas Pipinellis <axil@gitlab.com>
Approved-by: Achilleas Pipinellis <axil@gitlab.com>
Co-authored-by: Marcel Amirault <mamirault@gitlab.com>